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Recent experimental studies of the shoot apex and shoot morphogenesis

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Literature Cited

  1. Abbe, E. C., andPhinney, B. O. 1951. The growth of the shoot apex in maize: external features. Amer. Jour. Bot.38: 737–744.

    Article  Google Scholar 

  2. ——, andBaer, D. F. 1951. The growth of the shoot apex in maize: internal features. Amer. Jour. Bot.38: 744–751.

    Article  Google Scholar 

  3. — 1954. The growth of the shoot apex in maize: embryogeny. Amer. Jour. Bot.41: 285–293.

    Article  Google Scholar 

  4. Alleweldt, G. 1961. Weitere Untersuchungen über die sortenspezifische Gibberellinsreaktion der Reben. Zeits Pflanzenz.45: 178–193.

    Google Scholar 

  5. Allsopp, A. 1952. Experimental and analytical studies of pteridophytes. XVII. The effect of various physiologically active substances on the development ofMarsilea in sterile culture. Ann. Bot. N.S.16: 165–183.

    CAS  Google Scholar 

  6. —. 1953a. Experimental and analytical studies of pteridophytes. XIX. Investigations onMarsilea. 2. Induced reversion to juvenile stages. Ann. Bot. N.S.17: 37–55.

    Google Scholar 

  7. —. 1953b. Experimental and analytical studies of pteridophytes. XXI. Investigations onMarsilea. 3. The effect of various sugars on development and morphology. Ann. Bot. N.S.17: 447–463.

    CAS  Google Scholar 

  8. —. 1954a. Juvenile stages of plants and the nutritional status of the shoot apex. Nature173: 1032–1035.

    Article  Google Scholar 

  9. —. 1954b. Experimental and analytical studies of pteridophytes. XXIV. Investigations onMarsilea. 4. Anatomical effects of changes in sugar concentration. Ann. Bot. N.S.18: 449–461.

    Google Scholar 

  10. —. 1955. Experimental and analytical studies of pteridophytes. XXVII. Investigations onMarsilea. 5. Cultural conditions and morphogenesis, with special reference to the origin of land and water forms. Ann. Bot. N.S.19: 247–264.

    Google Scholar 

  11. —. 1956a. Morphogenetic effects of 3-indolylacetonitrile on sporelings ofMarsilea in aseptic culture. Jour. Exp. Bot.7: 1–13.

    Article  Google Scholar 

  12. —. 1956b. Apical dominance inMarsilea, with particular reference to the effects of 3-indolylacetic acid, 3-indolylacetonitrile, and coumarin on lateral bud development. Jour. Exp. Bot.7: 14–24.

    Article  CAS  Google Scholar 

  13. —. 1959. Effects of gibberellic acid on juvenility inMarsilea and certain other plants. Nature184: 1575–1576.

    Article  CAS  Google Scholar 

  14. —. 1962. The effects of gibberellic acid on morphogenesis inMarsilea drummondii A. Br. Phytomorph.12: 1–10.

    CAS  Google Scholar 

  15. —. 1963. Morphogenesis inMarsilea. Jour. Linn. Soc. (Bot.)58: 417–427.

    Google Scholar 

  16. -. 1965. Heteroblastic development in cormophytes.In: Encyclopedia of Plant Physiology. Vol.15: [In press.]

  17. —, andSzweykowska, A. 1960. Foliar abnormalities, including repeated branching and root formation, induced by kinetin in attached leaves ofMarsilea, Nature186: 813–814.

    Article  CAS  Google Scholar 

  18. Al-Talib, K. H., andTorrey, J. G. 1959. The aseptic culture of isolated buds ofPseudotsuga taxifolia. Plant Physiol.34: 630–637.

    PubMed  CAS  Google Scholar 

  19. ——. 1961. Sclereid distribution in the leaves ofPseudotsuga under natural and experimental conditions. Amer. Jour. Bot.48: 71–79.

    Article  Google Scholar 

  20. Alvim, P. de T. 1960. Moisture stress as a requirement for flowering of coffee. Science132: 354.

    Article  PubMed  Google Scholar 

  21. Arber, A. 1925. Monocotyledons. A Morphological Study. 258 pp. Cambridge Univ. Press.

  22. -. 1934. The Gramineae. A Study of Cereal, Bamboo, and Grass. 480 pp. Cambridge University Press.

  23. Arney, S. E. 1956. Studies of growth and development in the genusFragaria. VIII. The effect of defoliation on leaf initiation and early growth of the leaf initials. Phyton6: 109–120.

    Google Scholar 

  24. Aspinall, D. 1961. The control of tillering in the barley plant. I. The pattern of tillering and its relation to nutrient supply. Austral. Jour. Biol. Sci.14: 493–505.

    Google Scholar 

  25. —. 1963. The control of tillering in the barley plant. II. The control of tiller-bud growth during ear development. Austral. Jour. Biol. Sci.16: 285–304.

    Google Scholar 

  26. —, andPaleg, L. G. 1963. Effects of daylength and light intensity on growth of barley. I. Growth and development of apex with a fluorescent light source. Bot. Gaz.124: 429–437.

    Article  Google Scholar 

  27. Astie, M., andDebraux, G. 1959. Variations morphologiques induites expérimentalement dans la fleur deDigitalis purpurea L. sous l’influence de l’acide 2.4-dichlorophénoxyacétique. Comp. Rend. Acad. Sci. [Paris]248: 837–840.

    CAS  Google Scholar 

  28. Atsmon, D., andGalun, E. 1962. Physiology of sex inCucumis sativus (L.). Leaf age patterns and sexual differentiation of floral buds. Ann. Bot. N.S.26: 137–146.

    Google Scholar 

  29. Audus, L. J. 1959. Correlations. Jour. Linn. Soc. (Bot.)56: 177–187.

    Google Scholar 

  30. Aymard, M. 1959. Phénocopies florales produites chezAnagallis arvensis L. par l’action de l’acide 2,4-dichlorophénoxyacétique. Bull. Soc. Bot. France106: 457–459.

    Google Scholar 

  31. Baldev, B. 1959. In vitro responses of growth and development inCuscuta reflexa Roxb. Phytomorph.9: 316–319.

    Google Scholar 

  32. —. 1962. In vitro studies of floral induction on stem apices ofCuscuta reflexa Roxb.—a short day plant. Ann. Bot. N.S.26: 173–180.

    Google Scholar 

  33. Ball, E. 1944a. Development in sterile culture of stem tips and subjacent regions ofTropaeolum majus L. andLupinus albus L. Amer. Jour. Bot.31: (suppl.) 1.

  34. —. 1944b. The effects of synthetic substances on the shoot apex ofTropaeolum majus L. Amer. Jour. Bot.31: 316–327.

    Article  Google Scholar 

  35. —. 1946a. Attempted transplants in the shoot apex. Amer. Jour. Bot.33: 216.

    Article  Google Scholar 

  36. —. 1946b. Development in sterile culture of stem tips and subjacent regions ofTropaeolum majus L. and ofLupinus albus L. Amer. Jour. Bot.33: 301–318.

    Article  Google Scholar 

  37. —. 1948. Differentiation in the primary shoots ofLupinus albus L. and ofTropaeolum majus L. Symp. Soc. Exp. Biol.2: 246–262.

    Google Scholar 

  38. —. 1950a. Regeneration of the shoot apex ofLupinus albus after operations upon the central initials. Science112: 16–17.

    Article  PubMed  CAS  Google Scholar 

  39. —. 1950b. Isolation, removal and attempted transplants of the central portion of the shoot apex ofLupinus albus L. Amer. Jour. Bot.37: 117–136.

    Article  Google Scholar 

  40. —. 1951. Influence of shoot apex on subjacent shoots ofLupinus albus L. Nature167: 36.

    Article  PubMed  CAS  Google Scholar 

  41. —, 1952a. Morphogenesis of shoots after isolation of the shoot apex ofLupinus albus. Amer. Jour. Bot.39: 167–191.

    Article  Google Scholar 

  42. —. 1952b. Experimental division of the shoot apex ofLupinus albus L. Growth16: 151–174.

    PubMed  CAS  Google Scholar 

  43. —. 1955. On certain gradients in the shoot tip ofLupinus albus. Amer. Jour Bot.42: 509–521.

    Article  Google Scholar 

  44. —. 1959. Growth of the embryo ofGinkgo biloba under experimental conditions. III. Growth rates of root and shoot upon media absorbed through the cotyledons. Amer. Jour Bot.46: 130–139.

    Article  CAS  Google Scholar 

  45. — 1960a. Sterile culture of the shoot apex ofLupinus albus. Growth24: 91–110.

    PubMed  CAS  Google Scholar 

  46. —. 1960b. Cell divisions in living shoot apices. Phytomorph.10: 377–396.

    Google Scholar 

  47. —. 1962. Studies of living shoot apices.In: Plant Tissue Culture and Morphogenesis: 48–77. (Symp. Amer. Soc. Plant Physiol., Jacksonville, Florida). Edited byJ. C. O’Kelley. Scholar’s Library, New York.

    Google Scholar 

  48. Barbat, I., andOcheşanu, C. 1963. Effect of gibberellin on the variations of the growth-point in winter wheat. Naturwiss.50: 159.

    Article  Google Scholar 

  49. Barker, W. G., andCollinsW.B. 1963a. Growth and development of the lowbush blueberry: apical abortion. Canad. Jour. Bot.41: 1319–1324.

    CAS  Google Scholar 

  50. ——. 1963b. The blueberry rhizome: in vitro culture. Canad. Jour. Bot.41: 1325–1329.

    CAS  Google Scholar 

  51. —, andDickson, D. E. 1961. Early flower initiation in the banana. Nature190: 1131–1132.

    Article  Google Scholar 

  52. Baron, Y. 1962. Premiers résultats d’expériences de morphogenèse expérimentaled’Utricularia vulgaris L. Comp. Rend. Soc. Biol. [Paris]156: 358–361.

    Google Scholar 

  53. Basford, K. H. 1961a. Morphogenetic responses to gibberellic acid of a radiationinduced mutant dwarf in groundsel,Senecio vulgaris L. Ann. Bot. N.S.25: 279–302.

    CAS  Google Scholar 

  54. —. 1961b. Effect of environment on the responses of dwarf groundsel to gibberellic acid. Nature192: 992–993.

    Article  Google Scholar 

  55. Bendixen, L. E., andPeterson, M. L. 1962. Physiological nature of gene-controlled growth form inTrifolium fragiferum L. II. Auxin-gibberellin relationships to growth form. Plant Physiol.37: 245–250.

    CAS  Google Scholar 

  56. Bergfeld, R. 1959. Über das Verhalten zweier Zwergformmutanten vonAntirrhinum majus L. bei Pfropfung und Behandlung mit Gibberellinsäure. Zeits. Vererb.90:476–482.

    Article  CAS  Google Scholar 

  57. —. 1960. Zur Frage nach der Blütenbildung beiAntirrhinum majus mut.sterilis. Zeits. Bot.48: 170–181.

    CAS  Google Scholar 

  58. Bernier, G. 1963.Sinapis alba L., a new long-day plant requiring a single photoinductive cycle. Naturwiss.50: 101.

    Article  Google Scholar 

  59. Bhargava, S. C. 1963. A transmissible flower-bud inhibitor in the short-day plantSalvia occidentalis. Proc. Acad. Sci. Amst.46 C: 371–376.

    Google Scholar 

  60. Bommer, D. 1961. Versuche zur Beeinflussung von Schossen und Blütenbildung durch Gibberellinsäure bei Perennierenden Gräserarten. Zeits. Pflanzenz.45: 105–120.

    Google Scholar 

  61. Bonner, J. 1959a. The photoperiodic process.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 245–254.

  62. -. 1959b. Chemical nature of the inductive processes.In: Withrow R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 411–421.

  63. —, andHuang, R. C. 1962. Chromosomal content of enzyme synthesis. Canad. Jour. Bot.40: 1487–1497.

    CAS  Google Scholar 

  64. —, andZeevaart, J. A. D. 1962. Ribonucleic acid synthesis in the bud an essential component of floral induction inXanthium. Plant Physiol.37: 43–49.

    PubMed  CAS  Google Scholar 

  65. Bonnett, H. T., andTorrey J. G. 1963. Comparative anatomy of the development of endogenous buds and roots fromConvolvulus roots cultured in vitro. [Abs]. Amer. Jour. Bot.50: 613.

    Google Scholar 

  66. Bonnett, O. T. 1940. Development of the staminate and pistillate inflorescences of sweet corn. Jour. Agr. Res.60: 25–37.

    Google Scholar 

  67. Booth, A. 1959. Some factors concerned in the growth of stolons in potato. Jour. Linn. Soc. (Bot.)56: 166–169.

    Google Scholar 

  68. Borthwick, H. A., andHendricks, S. B. 1960. Photoperiodism in plants. Science132: 1223–1228.

    Article  PubMed  Google Scholar 

  69. Bower, F. O. 1926. The Ferns. Vol. II. 344 pp. Cambridge Univ. Press.

  70. Bowes, B. G. 1963. The structure and development of the vegetative shoot apex inGlechoma hederacea L. Ann. Bot. N. S.27: 357–364.

    Google Scholar 

  71. Brantley, B. B., andWarren, G. F. 1960. Sex expression and growth in muskmelon. Plant Physiol.35: 741–745.

    Article  PubMed  CAS  Google Scholar 

  72. Brian, P. W. 1958. Role of gibberellin-like hormones in regulation of plant growth and flowering. Nature181: 1122–1123.

    Article  PubMed  Google Scholar 

  73. —. 1959a. Effects of gibberellins on plant growth and development. Biol. Rev.34: 37–84.

    Article  CAS  Google Scholar 

  74. —. 1959b. Morphogenetic effects of the gibberellins. Jour. Linn. Soc. (Bot.)56: 237–248.

    Google Scholar 

  75. —, andGrove, J. F. 1957. Gibberellic acid. Endeavour16: 161–171.

    CAS  Google Scholar 

  76. —, andHemming, H. G. 1955. The effect of gibberellic acid on shoot growth of pea seedlings. Physiol. Plant.8: 669–681.

    Article  CAS  Google Scholar 

  77. —,Petty, J. H. P., andRichmond, P. T. 1959. Effects of gibberellic acid on development of autumn colour and leaf-fall of deciduous woody plants. Nature183: 58.

    Article  CAS  Google Scholar 

  78. Briggs, W. R., andSteeves, T. A. 1958. Morphogenetic studies onOsmunda cinnamomea L. The expansion and maturation of vegetative fronds. Phytomorph8: 234–248.

    Google Scholar 

  79. ——. 1959. Morphogenetic studies onOsmunda cinnamomea L. The mechanism of crozier uncoiling. Phytomorph.9: 134–147.

    Google Scholar 

  80. Brown, J. A. M. 1962. Effect of thymidine analogues on reproductive morphogenesis inArabidopsis thaliana (L). Heynh. Nature196: 51–53.

    Article  CAS  Google Scholar 

  81. —,Miksche, J. P., andSmith, H. H. 1964. An analysis of H3-thymidine distribution throughout the vegetative meristem ofArabidopsis thaliana (L). Heynh. Rad. Bot.4: 107–113.

    Article  CAS  Google Scholar 

  82. Bruinsma, J., andPatil, S. S. 1963. The effects of 3-indoleacetic acid, gibberellic acid and vitamin E on flower initiation in unvernalised Petkus winter rye plants. Naturwiss.50: 505.

    Article  CAS  Google Scholar 

  83. Brulfert, J. 1961. Action de l’acide gibbérellique sur l’expression des fleurs prolifères, chezAnagallis arvensis L. Comp. Rend. Acad. Sci. [Paris]253: 517–519.

    CAS  Google Scholar 

  84. —, andChouard, P. 1961. Nouvelles observations sur la production expérimentale de fleurs prolifères chezAnagallis arvensis. Comp. Rend. Acad. Sci. [Paris]253: 179–181.

    Google Scholar 

  85. Bugnon, F., andJoffrin, G. 1962. Recherches sur la ramification de la pousse chez leFallisneria spiralis L. Mém. Soc. Bot. France1962: 61–72.

    Google Scholar 

  86. ——. 1963. Ramification de la pousse chez l’Hydrocharismonsus ranae L.; comparaison avec le cas duFallisneria spiralis L. Bull. Soc. Bot. France110: 34–42.

    Google Scholar 

  87. BÜNNING, E. 1952a. Morphogenesis in plants. Surv. biol. Progr.2: 105–140.

    Google Scholar 

  88. —, 1952b. Über den Tagesrhythmus der Mitosehäufigkeit in Pflanzen. Zehs. Bot.40: 193–199.

    Google Scholar 

  89. Bünsow, R., andHarder, R. 1956a. Blütenbildung vonBryophyllum durch Gibberellin. Naturwiss.43: 479–480.

    Article  Google Scholar 

  90. ——. 1956b. Blütenbildung vonLapsana durch Gibberellin. Naturwiss.43: 527.

    Article  Google Scholar 

  91. Butenko, R. G., andChailakhyan, M. Kh. 1962. Effect of nucleic acid derivatives on growth and flowering of Ipomoea (Pharbitis nil Chois. Dokl. Akad. Nauk. SSSR141: 196–199. [Trans, from Dokl. Akad. Nauk. SSSR 141: 1-239-1242. 1961].

    Google Scholar 

  92. Butler, R. D. 1963. The effect of light intensity on stem and leaf growth in broad bean seedlings. Jour. Exp. Bot.14: 142–152.

    Article  Google Scholar 

  93. -. 1965. Endogenous mitotic rhythm in the shoot apical meristem ofVicia. Jour. Exp. Bot. [In press.]

  94. —, andLane, G. R. 1959. The study of apical development in relation to etiolation. Jour. Linn. Soc. (Bot.)56: 170–176.

    Google Scholar 

  95. Buvat, R. 1952. Structure, évolution et fonctionnement du méristème apical de quelques dicotylédones. Ann. Sci. Nat. Bot. XI.13: 199–300.

    Google Scholar 

  96. —. 1953. L’apex deTriticum vulgare: modalités de reprise des mitoses lors de la germination et du fonctionnement végétatif. Comp. Rend. Acad. Sci. [Paris]236: 1989–1991.

    CAS  Google Scholar 

  97. —. 1955. Le méristème apical de la tige. Année. Biol.31: 596–656.

    Google Scholar 

  98. Camefort, H. 1956a. Étude de la structure du point végétatif et des variations phyllotaxiques chez quelques Gymnospermes. Ann. Sci. Nat., Bot. XI.17: 1–185.

    Google Scholar 

  99. —. 1956b. Structure de l’apex caulinaire des gymnospermes. Ann. Biol.60: 401–416.

    Google Scholar 

  100. Camus, G. 1943. Sur le greffage de bourgeons d’Endive sur des fragments de tissus cultivés in vitro. Comp. Rend. Soc. Biol. [Paris]137: 184–185.

    Google Scholar 

  101. CapoNetti, J. D., andSteeves, T. A. 1963. Morphogenetic studies on excised leaves ofOsmunda cinnamomea L. Morphological studies of leaf development in sterile nutrient culture. Canad. Jour. Bot.41: 545–556.

    Article  Google Scholar 

  102. Carr, D. J. 1959. Translocation between leaf and meristem in the flowering response of short-day plants. Proc. IX Int. Bot. Congr. Vol.2: 60–61.

    Google Scholar 

  103. —,McComb, A. J., andOsborne, L. D. 1957. Replacement of the requirement for vernalisation inCentaurium minus Moench by gibberellic acid. Naturwiss44: 428–429.

    Article  CAS  Google Scholar 

  104. Catesson, A.-M. 1953. Structure, évolution et fonctionnement du pont végétatif d’une Monocotylédone:Luzula pedemontana Boiss. et. Reut. (Joncacées). Ann. Sci. Nat., Bot., XI.14: 253–291.

    Google Scholar 

  105. Cathey, H. M. 1958. Mutual antagonism of growth control ofChrysanthemum morifolium by gibberellin and Amo-1618. [Abs.] Plant Physiol.33 (suppl.): xliii.

    Google Scholar 

  106. Cathey, H. M. 1959. Effects of gibberellin and Amo-1618 on growth and flowering ofChrysanthemum morifolium on short photoperiods.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 365–371.

  107. Chailakhyan, M. Kh. 1959. Effect of gibberellins and derivatives of nucleic acid metabolism on plant growth and flowering.In: Plant Growth Regulation: 531–542. Iowa State Univ. Press.

  108. —,Butenko, R. G., andLyubarskaya, I. I. 1961. Effect of derivatives of nucleic acid metabolism on the growth and flowering ofPerilla nankinensis. Soviet Plant Physiol.8: 71–80. [Trans, from Fiziol Rast. 8: 101–113].

    Google Scholar 

  109. —, andKhlopenkova, L. P. 1962. Effect of growth substances and nucleic acid derivatives on growth and flowering of photoperiodically induced plants. Dokl. Akad. Nauk. SSSR141: 213–217. [Trans, from Dokl. Akad. Nauk SSSR 141: 1497–1500, 1961].

    Google Scholar 

  110. Chakravarti, S. C. 1958. Gibberellic acid and vernalization. Nature182: 1612–1613.

    Article  CAS  Google Scholar 

  111. Champagnat, M. 1958. Analyse expérimentale des caractères morphologiques de quelques Linaires. Comp. Rend. Acad. Sci. [Paris]247: 1642–1645.

    Google Scholar 

  112. —. 1961. Recherches de morphologie descriptive et expérimentale sur le genreLinaria. Ann. Sci. Nat., Bot., XII,2: 1–170.

    Google Scholar 

  113. —, andBerthon, M. 1962. Phyllotaxie et point végétatif de Pépicotyle des Linaires appartenant au groupe morphologique duLinaria supina Desf. Rev. Gén. Bot.69: 57–83.

    Google Scholar 

  114. Champagnat, P., andDassonval, L. 1960. Synergisme entre acides organiques et kinétine pour la levée d’inhibition des bourgeons. Comp. Rend. Soc. Biol. [Paris]154: 2265–2268.

    CAS  Google Scholar 

  115. Chen, C. H., andRoss, J. G. 1963. Cytohistological studies of the induction of diploid stem apices in sorghum after colchicine treatment of tetraploid seedlings. Plant Physiol.38 (suppl.): xxv.

    Google Scholar 

  116. Chouard, P. 1960. Vernalization and its relations to dormancy. Ann. Rev. Plant Physiol.11: 191–238.

    Article  CAS  Google Scholar 

  117. Clements, J. N., andGuard, A. T. 1961. An anatomical study of sidebranching in the ‘Rutgers’ and the ‘Sideshootless’ tomato plants. [Abs.] Amer. Jour. Bot.48: 527.

    Google Scholar 

  118. Clowes, F. A. L. 1957. Chimeras and meristems. Heredity11: 141–148.

    Google Scholar 

  119. —. 1959a. Reorganization of root apices after irradiation. Ann. Bot. N. S.23: 205–210.

    CAS  Google Scholar 

  120. —. 1959b. Adenine incorporation and cell division in shoot apices. New Phytol.58: 16–19.

    Article  CAS  Google Scholar 

  121. —. 1959c. Apical meristems of roots. Biol. Rev.34: 501–529.

    Google Scholar 

  122. —. 1961a. Apical Meristems. 217 pp. Blackwell, Oxford.

    Google Scholar 

  123. —. 1961b. Effects of β-radiation on meristems. Exp. Cell Res.25: 529–534.

    Article  PubMed  CAS  Google Scholar 

  124. Codaccioni, M. 1963. Le maintien en survie in vitro du méristème terminal chez leCastanea sauva. Comp. Rend. Acad. Sci. [Paris]257: 2319–2321.

    Google Scholar 

  125. Coleman, R. E., andNickell, L. G. 1964. Stability of the flowering stimulus in isolated stem tips of sugar-cane. Nature201: 941–942.

    Article  Google Scholar 

  126. Collins, W. T., Salisbury, F. B., andRoss, C. W. 1963. Growth regulators and flowering. III. Antimetabolites. Planta60: 131–144.

    Article  CAS  Google Scholar 

  127. Crawford, R. M. M. 1960. Respiration and glucose metabolism in the apical bud in relation to photoperiodism inSalvia splendens. Physiol. Plant.13: 755–760.

    Article  CAS  Google Scholar 

  128. —. 1961a. Preliminary comparisons on the facility of photo-oxidation as affected by photoperiodic induction. Physiol. Plant.14: 49–56.

    Article  CAS  Google Scholar 

  129. —. 1961b. Morphological and metabolic changes in the apical bud with relation to photoperiodism inSalvia splendens. Mém. Acad. Roy. Belg.33: 7–128.

    Google Scholar 

  130. Crockett, L. J. 1957. A study of the tunica corpus and anneau initial of irradiated and normal stem apices ofNicotiana tabacum L. Bull. Torrey Bot. Club84: 229–236.

    Article  Google Scholar 

  131. Cross, G. L., andJohnson, T. J. 1941. Structural features of the shoot apices of diploid and colchicine-induced, tetraploid strains ofVinca rosea L. Bull. Torrey Bot. Club68: 618–635.

    Article  Google Scholar 

  132. Crotty, W. J. 1955. Trends in the pattern of primordial development with age in the fernAcrostichum daneaefolium. Amer. Jour. Bot.42: 627–636.

    Article  Google Scholar 

  133. Cusick, F. 1956. Studies of floral morphogenesis. I. Median bisections of flower primordia inPrimula bulleyana Forrest. Trans. Roy. Soc. Edinb.63: 153–166.

    Google Scholar 

  134. —. 1959. Floral morphogenesis inPrimula bulleyana Forrest. Jour. Linn. Soc. (Bot.)56: 262–268.

    Google Scholar 

  135. Cutter, E. G. 1954a. Experimental induction of buds from fern leaf primordia. Nature173: 440–441.

    Article  Google Scholar 

  136. -. 1954b. Unpublished Ph.D. thesis, Univ. Manchester.

  137. —. 1955a. Experimental and analytical studies of pteridophytes. XXIX. The effect of progressive starvation on the growth and organization of the shoot apex ofDryopteris aristata Druce. Ann. Bot. N. S.19: 485–499.

    Google Scholar 

  138. —. 1955b. Anatomical studies on the shoot apices of some parasitic and saprophytic angiosperms. Phytomorph.5: 231–247.

    Google Scholar 

  139. —. 1956. Experimental and analytical studies of pteridophytes. XXXIII. The experimental induction of buds from leaf primordia inDryopteris aristata Druce. Ann. Bot. N. S.20: 143–165.

    Google Scholar 

  140. —. 1957a. Studies of morphogenesis in the Nymphaeaceae. I. Introduction: some aspects of the morphology ofNuphar lutea (L.) Sm. andNymphaea alba L. Phytomorph.7: 45–56.

    Google Scholar 

  141. —. 1957b. Experimental and analytical studies of pteridophytes. XXXVI. Further experiments on the developmental potentialities of leaf primordia inDryopteris aristata Druce. Ann. Bot. N. S.21: 343–372.

    Google Scholar 

  142. —. 1958. Studies of morphogenesis in the Nymphaeaceae. III. Surgical experiments on leaf and bud formation. Phytomorph.8: 74–95.

    Google Scholar 

  143. —. 1959. On a theory of phyllotaxis and histogenesis. Biol. Rev.34: 243–263.

    Article  Google Scholar 

  144. —. 1961. The inception and distribution of flowers in the Nymphaeaceae. Proc. Linn. Soc. [London]172: 93–100.

    Google Scholar 

  145. —. 1962. Regeneration inZamioculcas: an experimental study. Ann. Bot. N. S.26: 55–70.

    Google Scholar 

  146. —. 1963. Experimental modification of the pattern of organogenesis inHydrocharis. Nature198: 504–505.

    Article  Google Scholar 

  147. —. 1964a. Phyllotaxis and apical growth. New Phytol.63: 39–46.

    Article  Google Scholar 

  148. —. 1964b. Observations on leaf and bud formation inHydrocharis morsusranae. Amer. Jour. Bot.51: 318–324.

    Article  Google Scholar 

  149. Cutter, E. G. 1964c. Unpublished observations onLycopodium selago.

  150. —, andVoeller, B. R. 1959. Changes in leaf arrangement in individual fern apices. Jour. Linn. Soc. (Bot.)56: 225–236.

    Article  Google Scholar 

  151. —, andWardlaw, C. W. 1963. Induction of buds on older leaf primordia in ferns. Nature199: 985–987.

    Article  Google Scholar 

  152. Czopek, M. 1963. Studies on the external factors inducing the formation of turions inSpirodela polyrrhiza (L.) Schieiden. Acta Soc. Bot. Pol.32: 199–211.

    Google Scholar 

  153. Dale, H. M. 1957. Developmental studies ofElodea canadensis Michx. II. Experimental studies on morphological effects of darkness. Canad. Jour. Bot.35: 51–64.

    CAS  Google Scholar 

  154. Dasanayake, M. D. 1960. Aspects of morphogenesis in a dorsiventral fern,Pteridium aquilinum (L.) Kuhn. Ann. Bot. N. S.24: 317–329.

    Google Scholar 

  155. Demaggio, A. E. 1963. Morphogenetic factors influencing the development of fern embryos. Jour. Linn. Soc. (Bot.)58: 361–376.

    Google Scholar 

  156. —, andWetmore, R. H. 1961. Morphogenetic studies on the fernTodea barbara. III. Experimental embryology. Amer. Jour. Bot.48: 551–565.

    Article  CAS  Google Scholar 

  157. Denne, M. P. 1959. Leaf development inNarcissus pseudonarcissus L. I. The stem apex. Ann. Bot. N. S.23: 121–129.

    Google Scholar 

  158. Dickson, A. 1886. On the development of bifoliar spurs into ordinary buds inPinus sylvestris. Trans. Bot. Soc. Edinb.16: 258–261.

    Google Scholar 

  159. Doak, C. C. 1935. Evolution of foliar types, dwarf shoots and cone scales ofPinus. Illinois Biol. Monogr.13: 125–230.

    Google Scholar 

  160. Doorenbos, J. 1954. “Rejuvenation” ofHedera helix in graft combinations. Proc. Acad. Sci. Amst.57 C: 99–102.

    Google Scholar 

  161. —, andWellensiek, S. J. 1959. Photoperiodic control of floral induction. Ann. Rev. Plant Physiol.10: 147–184.

    Article  CAS  Google Scholar 

  162. Dore, J. 1955. Studies in the regeneration of horseradish. I. A re-examination of the morphology and anatomy of regeneration. Ann. Bot. N. S.19: 127–137.

    Google Scholar 

  163. —, andWilliams, W. T. 1956. Studies in the regeneration of horseradish. II. Correlation phenomena. Ann. Bot. N. S.20: 231–249.

    Google Scholar 

  164. Dostál, R. 1961. Gibberellinsäure und Knospenbildung beiSyringa vulgaris. Naturwiss.48: 139–140.

    Article  Google Scholar 

  165. —, 1964. Effect of gibberellic acid on the initiation of buds in lilac. Nature201: 843–844.

    Article  Google Scholar 

  166. Eagles, C. F., andWareing, P. F. 1963. Dormancy regulators in woody plants. Experimental induction of dormancy inBetula pubescens. Nature199: 874–875.

    Article  CAS  Google Scholar 

  167. Earle, E. D., andTorrey, J. G. 1963. Differentiation in colonies derived from isolated cells ofConvolvulus arvensis. [Abs.] Amer. Jour. Bot.50: 613.

    Google Scholar 

  168. Edgar, E. 1961. Fluctuations in Mitotic Index in the Shoot Apex ofLonicera nitida. Univ. Cant., Publ.1, 91 pp.

  169. Edwards, P. St. J., andAllsopp, A. 1956. The effects of changes in the inorganic nitrogen supply on the growth and development ofMarsilea in aseptic culture. Jour. Exp. Bot.7: 194–202.

    Article  CAS  Google Scholar 

  170. Eliasson, L. 1961. The influence of growth substances on the formation of shoots from aspen roots. Physiol. Plant.14: 150–156.

    Article  CAS  Google Scholar 

  171. Emery, A. E. H. 1955. The formation of buds on the roots ofChamaenerion angustifolium (L.) Scop. Phytomorph.5: 139–145.

    Google Scholar 

  172. Esau, K. 1953. Plant Anatomy. 735 pp. Wiley, New York.

    Google Scholar 

  173. —. 1960. Anatomy of Seed Plants. 376 pp. Wiley, New York.

    Google Scholar 

  174. —,Foster, A. S., andGifford, E. M. Jr. 1954. Mitosis in the initiation zone of the shoot apex. Proc. VIII Int. Bot. Congr. [Paris] Sect.7 &8: 262–263.

    Google Scholar 

  175. Evans, L. T. 1960a. The influence of environmental conditions on inflorescence development in some long-day grasses. New Phytol.59: 163–174.

    Article  Google Scholar 

  176. —. 1960b. Inflorescence initiation inLolium temulentum L. I. Effect of plant age and leaf area on sensitivity to photoperiodic induction. Austral. Jour. Biol. Sci.13: 123–131.

    Google Scholar 

  177. —. 1960c. Inflorescence initiation inLolium temulentum L. II. Evidence for inhibitory and promotive photoperiodic processes involving transmissible products. Austral. Jour. Biol. Sci.13: 429–440.

    Google Scholar 

  178. —. 1962. Day-length control of inflorescence initiation in the grassRotthoellia exaltata L. f. Austral. Jour. Biol. Sci.15: 291–303.

    Google Scholar 

  179. — [ed.] 1963. Environmental Control of Plant Growth. Academic Press, New York & London.

    Google Scholar 

  180. Foard, D. E., andHaber, A. H. 1961. Anatomic studies of gamma-irradiated wheat growing without cell division. Amer. Jour. Bot.48: 438–446.

    Article  CAS  Google Scholar 

  181. Foster, A. S. 1929. Investigations on the morphology and comparative history of development of foliar organs. I. The foliage leaves and cataphyllary structures in the horsechestnut (Aesculus hippocastanum L.) Amer. Jour. Bot.16: 441–501.

    Article  Google Scholar 

  182. —. 1936. Leaf differentiation in angiosperms. Bot. Rev.2: 349–372.

    Google Scholar 

  183. —. 1939. Problems of structure, growth and evolution in the shoot apex of seed plants. Bot. Rev.5: 454–470.

    Google Scholar 

  184. —. 1941. Comparative studies on the structure of the shoot apex in seed plants. Bull. Torrey Bot. Club68: 339–350.

    Article  Google Scholar 

  185. Frank, H., andRenner, O. 1956. Über Verjüngung beiHedera helix L. Planta47: 105–114.

    Article  CAS  Google Scholar 

  186. Galun, E. Jung, Y., andLang, A. 1962. Culture and sex modification of male cucumber buds in vitro. Nature194: 596–598.

    Article  Google Scholar 

  187. ———. 1963. Morphogenesis of floral buds of cucumber cultured in vitro. Devel. Biol.6: 370–387.

    Article  CAS  Google Scholar 

  188. Garner, W. W., andAllard, H. A. 1920. Effect of the relative length of day and night and other factors of the environment on growth and reproduction in plants. Jour. Agr. Res.18: 553–606.

    Google Scholar 

  189. Garrison, R., andWetmore, R. H. 1961. Studies in shoot-tip abortion:Syringa vulgaris. Amer. Jour. Bot.48: 789–795.

    Article  Google Scholar 

  190. Gaudet, J. J. 1963.Marsilea vestita: conversion of the water form to the land form by darkness and by farred light. Science140: 975–976.

    Article  PubMed  Google Scholar 

  191. Gifford, E. M., Jr. 1954. The shoot apex in angiosperms. Bot. Rev.20: 477–529.

    Google Scholar 

  192. —. 1960a. Incorporation of tritiated thymidine into nuclei of shoot apical meristems. Science131: 360.

    Article  PubMed  CAS  Google Scholar 

  193. —. 1960b. Incorporation of H3-thymidine into shoot and root apices ofCeratopteris thalictroides. Amer. Jour. Bot.47: 834–837.

    Article  CAS  Google Scholar 

  194. —,Kupila, S., andYamaguchi, S. 1963. Experiments in the application of H3-thymidine and adenine-8-C14 to shoot tips. Phytomorph.13: 14–22.

    CAS  Google Scholar 

  195. —, andMirov, N. T. 1960. Initiation and ontogeny of the ovulate strobilus in ponderosa pine. For. Sci.6: 19–25.

    Google Scholar 

  196. —, andTepper, H. B. 1961. Ontogeny of the inflorescence inChenopodium album. Amer. Jour. Bot.48: 657–667.

    Article  Google Scholar 

  197. ——. 1962a. Histochemical and autoradiographic studies of floral induction inChenopodium album. Amer. Jour. Bot.49: 706–714.

    Article  CAS  Google Scholar 

  198. ——. 1962b. Ontogenetic and histochemical changes in the vegetative shoot tip ofChenopodium album. Amer. Jour. Bot.49: 902–911.

    Article  CAS  Google Scholar 

  199. —, andWetmore, R. H. 1957. Apical meristems of vegetative shoots and strobili in certain gymnosperms. Proc. Nat. Acad. Sci. [Wash.]43: 571–576.

    Article  CAS  Google Scholar 

  200. Gluck, H. 1911. Biologische und morphologische Untersuchungen über Wasser und Sumpfgewächse. III. Die Uferfiora. Fischer, Jena. 644 pp.

    Google Scholar 

  201. Goodin, J. R. 1963. In vitro growth rates ofHedera: a response to gibberellin and temperature. [Abs.] Amer. Jour. Bot.50: 614.

    Google Scholar 

  202. —, andStoutemyer, V. T. 1961. Effect of temperature and potassium gibberellate on phases of growth of Algerian ivy. Nature192: 677–678.

    Article  Google Scholar 

  203. Gorter, C. J. 1949. The influence of 2, 3, 5-triiodobenzoic acid on the growing points of tomatoes. Proc. Acad. Sci. Amst.52: 1185–1193.

    CAS  Google Scholar 

  204. —. 1951. The influence of 2, 3, 5-triiodobenzoic acid on the growing points of tomatoes. II. The initiation of ring-fasciations. Proc. Acad. Sci. Amst.54 C: 181–187.

    CAS  Google Scholar 

  205. Gottlieb, Joan E. 1958. Development of the bracken fern,Pteridium aquilinum (L.) Kuhn. I. General morphology of the sporeling. Phytomorph.8: 184–194.

    Google Scholar 

  206. —. 1961. An experimental study of the shoot system of the bracken fern,Pteridium aquilinum. [Abs.] Amer. Jour. Bot.48: 527.

    Google Scholar 

  207. —. 1962. Changes in the organization of the long and short shoot apical meristems ofPteridium after kinetin treatment in vitro. [Abs.] Amer. Jour. Bot.49: 654.

    Google Scholar 

  208. —. 1963. Control of marginal leaf meristem growth inCeratopteris. [Abs.] Amer. Jour. Bot.50: 614.

    Google Scholar 

  209. Gottschalk, W. 1961. Über die zeitliche Aufeinanderfolge bestimmter Gestaltungsprozesse bei der Ausdifferenzierung von Vegetationskegeln zu Blüten. Naturwiss.48: 59.

    Article  Google Scholar 

  210. Gowing, D. P. 1961. Experiments on the photoperiodic response in pineapple. Amer. Jour. Bot.48: 16–21.

    Article  Google Scholar 

  211. Gray, R. A. 1957. Alteration of leaf size and shape and other changes caused by gibberellins in plants. Amer. Jour. Bot.44: 674–682.

    Article  CAS  Google Scholar 

  212. Gregory, F. G., andVeale, J. A. 1957. A reassessment of the problem of apical dominance. Symp. Soc. Exp. Biol.11: 1–20.

    Google Scholar 

  213. Greulach, V. A., andHaesloop, J. G. 1959. Influence of gibberellic acid on the flowering ofXanthium in relation to number of induction periods.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 359–363.

  214. Guern, J. 1962. Observations sur la production de frondes axillaires par les frondes deLemna trisulca L. Comp. Rend. Acad. Sci. [Paris]254: 343–345.

    Google Scholar 

  215. Gulline, H. F. 1960. Experimental morphogenesis in adventitious buds of flax. Austral. Jour. Bot.8: 1–10.

    Article  Google Scholar 

  216. —, andWalker, R. 1957. The regeneration of severed pea apices. Austral. Jour. Bot.5: 129–136.

    Article  Google Scholar 

  217. Gunckel, J. E., andSparrow, A. H. 1961. Ionizing radiations: Biochemical, physiological and morphological aspects of their effects on plants. Encyc. Plant Physiol. Vol.16: 555–611.

    Google Scholar 

  218. —, andThimann, K. V. 1949. Studies of development in long shoots and short shoots ofGinkgo biloba L. III. Auxin production in shoot growth. Amer. Jour. Bot.36: 145–151.

    Article  CAS  Google Scholar 

  219. ——, andWetmore, R. H. 1949. Studies of development in long shoots and short shoots ofGinkgo biloba L. IV. Growth habit, shoot expression and the mechanism of its control. Amer. Jour. Bot.36: 309–318.

    Article  CAS  Google Scholar 

  220. —, andWetmore, R. H. 1946. Studies of development in long shoots and short shoots ofGinkgo biloba L. I. The origin and pattern of development of the cortex, pith and procambium. Amer. Jour. Bot.33: 285–295.

    Article  Google Scholar 

  221. Guttridge, C. G. 1959a. Evidence for a flower inhibitor and vegetative growth promoter in the strawberry. Ann. Bot. N. S.23: 351–360.

    CAS  Google Scholar 

  222. —. 1959b. Further evidence for a growth-promoting and flower-inhibiting hormone in strawberry. Ann. Bot. N. S.23: 612–621.

    Google Scholar 

  223. —,Anderson, M. M., Thompson, P. A., andWood, C. A. 1961. Postharvest defoliation of strawberry plantations. Jour. Hort. Sci.36: 93–101.

    Google Scholar 

  224. Guyot, M., andGavatjdau, P. 1961. Tératologie florale, virescence et réalisation sexuelle chez les Crucifères. Comp. Rend. Soc. Biol. [Paris]155: 2006–2008.

    CAS  Google Scholar 

  225. Haber, A. H. 1962. Nonessentiality of concurrent cell divisions for degree of polarization of leaf growth. I. Studies with radiation-induced mitotic inhibition. Amer. Jour. Bot.49: 583–589.

    Article  Google Scholar 

  226. —, andCarrier, W. L. 1961. Nonessentiality of cell division for leaf morphogenesis during growth of young wheat seedlings. [Abs.] Amer. Jour. Bot.48: 527–528.

    Google Scholar 

  227. —, andFoard, D. E. 1963. Nonessentiality of concurrent cell divisions for degree of polarization of leaf growth. II. Evidence from untreated plants and from chemically induced changes of the degree of polarization. Amer. Jour. Bot.50: 937–944.

    Article  CAS  Google Scholar 

  228. Haccius, B. 1955. Experimentally induced twinning in plants. Nature176: 355–356.

    Article  Google Scholar 

  229. —. 1959. Morphoregulatorische Beeinflussung pflanzlicher Embryonen durch Phenylborsäure. Naturwiss.46: 153.

    Article  CAS  Google Scholar 

  230. —. 1963. Restitution in acidity-damaged plant embryos—regeneration or regulation? Phytomorph.13: 107–115.

    CAS  Google Scholar 

  231. —, andMassfeller, D. 1961a. Über die Hemmung einzelner Blattanlagen an Caryophyllaceen-Sämlingen durch Phenylborsäure. Naturwiss.48: 577–578.

    Article  CAS  Google Scholar 

  232. ——. 1961b. Untersuchungen zur biologischen Aktivität der Phenylborsäure. Planta56: 174–188.

    Article  CAS  Google Scholar 

  233. —, andReichert, H. 1963. Restitutionserscheinungen an pflanzlichen Meristemen nach Röntgenbestrahlung. I. Die Genese strahleninduzierter Sprossgabelungen. Planta60: 289–306.

    Article  Google Scholar 

  234. —, andSchneider, W. 1958. Untersuchungen zur Stadienspezifität des teratogen Effektes der 2, 4-dichlorphenoxyessigssäure beiGalium aparine. Planta52: 206–229.

    Article  CAS  Google Scholar 

  235. Haldane, J. B. S. 1932. The time of action of genes, and its bearing on some evolutionary problems. Amer. Nat.66: 5–24.

    Article  Google Scholar 

  236. Halevy, A. H., andCathey, H. M. 1960a. Effects of structure and concentration of gibberellins on the growth of cucumber seedlings. Bot. Gaz.122: 63–67.

    Article  CAS  Google Scholar 

  237. ——. 1960b. Effect of structure and concentration of some quaternary ammonium compounds on growth of cucumber seedlings. Bot. Gaz.122: 151–154.

    Article  CAS  Google Scholar 

  238. Hanawa, Jun 1961a. Experimental studies on leaf dorsiventrality inSesamum indicum L. [Japanese; Engl. Summ.]. Bot. Mag. Tokyo74: 303–309.

    Google Scholar 

  239. —. 1961b. Further studies on the double-leaf farmation inSesamum indicum L. Bot. Mag. Tokyo74: 402–413.

    Google Scholar 

  240. Harada, H., andNitsch, J. P. 1959a. Extraction d’une substance provoquant la floraison chezRudbeckia speciosa Wend. Bull. Soc. Bot. France106: 451–454.

    Google Scholar 

  241. ——. 1959b. Changes in endogenous growth substances during flower development. Plant Physiol.34: 409–415.

    Article  PubMed  CAS  Google Scholar 

  242. Harder, R., andBünsow, R. 1956. Einfluss des Gibberellins auf die Blütenbildung beiKalanchoë blossfeldiana. Naturwiss.43: 544.

    Article  CAS  Google Scholar 

  243. Haskell, D. A., andPostlethwait, S. N. 1962. Origin and development of growth centres in the embryo ofAcer saccharinum. [Abs.] Amer. Jour. Bot.49: 654.

    Google Scholar 

  244. Hegelmaier, F. 1872. Zur Morphologie der GattungLycopodium. Bot. Zeit.30: 773–779, 789–801, 805–809, 821–833, 837–850.

    Google Scholar 

  245. Hendricks, S. B., andBorthwick, H. A. 1963. Control of plant growth by light.In:Evans, L. T. [ed.] Environmental Control of Plant Growth: 233–263. Academic Press, New York and London.

    Google Scholar 

  246. Heslop-Harrison, J. 1956. Auxin and sexuality inCannabis sativa. Physiol. Plant.9: 588–597.

    Article  CAS  Google Scholar 

  247. —. 1957a. The experimental modification of sex expression in flowering plants. Biol. Rev.32: 38–90.

    Article  CAS  Google Scholar 

  248. —. 1957b. The sexuality of flowers. New Biol.23: 9–28.

    Google Scholar 

  249. —. 1959a. Growth substances and flower morphogenesis. Jour. Linn. Soc. (Bot.)56: 269–281.

    Google Scholar 

  250. —. 1959b. Photoperiod and fertility inRottboellia exaltata L. f. Ann. Bot. N. S.23: 345–349.

    Google Scholar 

  251. —. 1960. Suppressive effects of 2-thiouracil on differentiation and flowering inCannabis sativa. Science132: 1943–1944.

    Article  PubMed  CAS  Google Scholar 

  252. —. 1961. The experimental control of sexuality and inflorescence structure inZea mays L. Proc. Linn. Soc. [London]172: 108–123.

    Google Scholar 

  253. —. 1962. Effect of 2-thiouracil on cell differentiation and leaf morphogenesis inCannabis sativa. Ann. Bot. N. S.26: 375–387.

    CAS  Google Scholar 

  254. —, andHeslop-Harrison, Y. 1957. Studies on flowering-plant growth and organogenesis. II. The modification of sex expression inCannabis sativa by carbon monoxide. Proc. Roy. Soc. Edinb.66: 424–434.

    Google Scholar 

  255. Heslop-Harrison, Y., andWoods, I. 1959. Temperature-induced meristic and other variation inCannabis sativa. Jour. Linn. Soc. (Bot.)56: 290–293.

    Google Scholar 

  256. Hess, D. 1961. Ribosenucleinsäure und Blühinduktion. Planta56: 229–232.

    Article  CAS  Google Scholar 

  257. Hillman, W. S. 1961a. Experimental control of flowering inLemna. III. A relationship between medium composition and the opposite photoperiodic responses ofL. perpusilla 6746 andL. gibba G3. Amer. Jour. Bot.48: 413–419.

    Article  CAS  Google Scholar 

  258. —. 1961b. Test-tube studies on flowering: experiments with the Lemnaceae, or duckweeds. Bull. Torrey Bot. Club88: 327–336.

    Article  Google Scholar 

  259. —. 1962. The Physiology of Flowering. 164 pp. Holt, Rinehart and Winston, New York.

    Google Scholar 

  260. Holt, I. V. 1955. Cytological responses of varieties ofAvena to 2, 4-D. Iowa St. Coll. Jour. Sci.29: 581–629.

    Google Scholar 

  261. Huang, R. C., andBonner, J. 1962. Histone, a suppressor of chromosomal RNA synthesis. Proc. Nat. Acad. Sci. [Wash.]48: 1216–1222.

    Article  CAS  Google Scholar 

  262. Hudson, J. P., andWilliams, I. H. 1961. Effects of environment and age on flowering in raspberries. Proc. Linn. Soc. [London]172: 101–108.

    Google Scholar 

  263. Humphries, E. C, andWheeler, A. W. 1963. The physiology of leaf growth. Ann. Rev. Plant Physiol.14: 385–410.

    Article  CAS  Google Scholar 

  264. Hurd, R. G., andPurvis, O. N. 1964. The effect of gibberellic acid on the flowering of spring and winter rye. Ann. Bot. N. S.28: 137–151.

    Google Scholar 

  265. Hussey, G. 1963a. Growth and development in the young tomato. I. The effect of temperature and light intensity on growth of the shoot apex and leaf primordia. Jour. Exp. Bot.14: 316–325.

    Article  Google Scholar 

  266. —. 1963b. Growth and development in the young tomato. II. The effect of defoliation on the development of the shoot apex. Jour. Exp. Bot.14: 326–333.

    Article  Google Scholar 

  267. Ingle, M., andRogers, B. J. 1961. The growth of a midwestern strain ofSorghum halepense under controlled conditions. Amer. Jour. Bot.48: 392–396.

    Article  Google Scholar 

  268. Jacobs, W. P. 1954. Acropetal auxin transport and xylem regeneration—a quantitative study. Amer. Nat.88: 327–337.

    Article  Google Scholar 

  269. -. 1961. The polar movement of auxin in the shoots of higher plants: its occurrence and physiological significance.In: Plant Growth Regulation: 397–409. Iowa State Univ. Press.

  270. —, andBullwinkel, B. 1953. Compensatory growth inColeus shoots. Amer. Jour. Bot.40: 385–393.

    Article  Google Scholar 

  271. —,Danielson, J., Hurst, V., andAdams, P. 1959. What substance normally controls a given biological process? II. The relation of auxin to apical dominance. Devel. Biol.1: 534–554.

    Article  Google Scholar 

  272. -,Davis, R. V., Jr., andBullwinkel, B. 1959. Some interrelations of compensatory growth, flowering, auxin, and day length inColeus blumei Benth.In: Withrow, R. B. [ed.] Photoperiod ism and Related Phenomena in Plants and Animals: 393–407.

  273. —, andMorrow, I. B. 1961. A quantitative study of mitotic figures in relation to development in the apical meristem of vegetative shoots ofColeus. Devel. Biol.3: 569–587.

    Article  CAS  Google Scholar 

  274. Janick, J., andLeopold, A. C. 1961. A distinction between bolting and flowering effects on senescence. Nature192: 887–888.

    Article  Google Scholar 

  275. Jayasekera, R. D. E., andBell, P. R. 1959. The effect of various experimental treatments on the development of the embryo of the fernThelypteris palustris. Planta54: 1–14.

    Article  Google Scholar 

  276. Jones, H. 1956. Morphological aspects of leaf expansion, especially in relation to changes in leaf form.In: Milthorpe, F. L. [ed.] The Growth of Leaves: 93–106. 277. Kandler, O., and Neumair, H. 1954. Über die Wirkung von 2, 4-Dichlorphenoxyessigsäure auf den Stoffwechsel in vitro kultivierter Spargelsprosse. Flora141: 16–29.

    Google Scholar 

  277. Kato, H., andTakeuchi, M. 1963. Morphogenesis in vitro starting from single cells of carrot root. Plant & Cell Physiol.4: 243–245.

    Google Scholar 

  278. Kefford, N. P., andGoldacre, P. L. 1961. The changing concept of auxin. Amer. Jour. Bot.48: 643–650.

    Article  CAS  Google Scholar 

  279. Kessler, B., Bak, R., andCohen, A. 1959. Flowering in fruit trees and annual plants as affected by purines, pyrimidines and triiodobenzoic acid. Plant Physiol.34: 605–608.

    PubMed  CAS  Google Scholar 

  280. Kiermayer, O. 1959. Zur Beeinflussung der Morphoregulatorischen Wirksamkeit von 2, 3, 5-Trijodbenzoesäure (TIBA) durch α -Naphthylessigsäure. Physiol. Plant.12: 841–853.

    Article  Google Scholar 

  281. —. 1960. Die formative Wirksamkeit der 2, 3, 5-trijodbenzoesäure (TIBA) in Gegenwart von Gibberellinsäure (GA). Planta55: 153–168.

    Article  CAS  Google Scholar 

  282. —. 1961. Untersuchungen über die zeitliche Anderung der Blütenentwicklung beiLycopersicon esculentum durch 2, 3, 5-Trijodbenzoesäure (TIBA). Ber. Deut. Bot. Ges.74: 15–22.

    CAS  Google Scholar 

  283. Kimura, K. 1961. Effect of temperature and nutrients on flower initiation ofRhaphanus sativus L. in total darkness. Bot. Mag. Tokyo74: 361–368.

    Google Scholar 

  284. —, andTakimoto, A. 1963. Floral initiation inPharbitis nil subjected to continuous illumination at relatively low temperatures. I. Effect of various temperatures. Bot. Mag. Tokyo76: 67–73.

    Google Scholar 

  285. Kojima, H., andMaeda, S. 1958. Promotion of flower-initiation by restraining the vegetative growth in the Japanese radish. Bot. Mag. Tokyo71: 246–253.

    CAS  Google Scholar 

  286. Koller, D., Highkin, H. R. andCaso, O. H. 1960. Effects of gibberellic acid on stem apices of vernalizable grasses. Amer. Jour. Bot.47: 518–524.

    Article  CAS  Google Scholar 

  287. Krewson, C. F., Wood, J. W., Wolfe, W. C., Mitchell, J. W., andMarth, P. C. 1959. Synthesis and biological activity of some quaternary ammonium and related compounds that suppress plant growth. Agr. & Food Chem.7: 264–268.

    Article  CAS  Google Scholar 

  288. Kuehnert, C. C., andSteeves, T. A. 1962. Capacity of fragments of leaf primordia to produce whole leaves. Nature196: 187–189.

    Article  Google Scholar 

  289. Kundu, B. C., andRao, N. S. 1954. Origin and development of axillary buds in jute (Corchorus capsularis). Ann. Bot. N.S.18: 367–375.

    Google Scholar 

  290. Kuraishi, S., andMum, R. M. 1962. Increase in diffusible auxin after treatment with gibberellin. Science137: 760–761.

    Article  PubMed  CAS  Google Scholar 

  291. ——. 1963. Diffusible auxin increase in a rosette plant treated with gibberellin. Naturwiss.50: 337–338.

    Article  Google Scholar 

  292. Kuse, G. 1961. Correlative growth of lateral bud inIpomoea Batatas Shoot. Mem. Coll. Sci. Kyoto B28: 431–453.

    CAS  Google Scholar 

  293. Kurz, L., andKummerow, J. 1957. Brechung der Ruheperiode vonHydrocharis durch Kinetin. Naturwiss.44: 121.

    Article  Google Scholar 

  294. Laetsch, W. M., andBriggs, W. R. 1961. Kinetin modification of sporeling ontogeny inMarsilea vestita. Amer. Jour. Bot.48: 369–377.

    Article  CAS  Google Scholar 

  295. ——. 1962. Photomorphogenetic responses of sporelings ofMarsilea vestita. Plant Physiol.37: 142–148.

    PubMed  CAS  Google Scholar 

  296. ——. 1963. Correlative inhibition and the primary organs ofMarsilea vestita. Bot. Gaz.124: 317–324.

    Article  CAS  Google Scholar 

  297. Lam, S. L., andLeopold, A. C. 1960. Reversion from flowering to the vegetative state inXanthium. Amer. Jour. Bot.47: 256–259.

    Article  Google Scholar 

  298. ——. 1961. Reversion and reinduction of flowering inPerilla. Amer. Jour. Bot.48: 306–310.

    Article  Google Scholar 

  299. Lance, A. 1952. Sur la structure et le fonctionnement du point végétatif deVicia faba L. Ann. Sci. Nat., Bot., XI,13: 301–339.

    Google Scholar 

  300. —. 1954a. Évolution histologique de l’apexd’Aster sinensis L. Comp. Rend. Acad. Sri. [Paris]238: 1442–1444.

    Google Scholar 

  301. —. 1954b. Observations cytologiques sur l’évolution et le fonctionnement du méristème apical deChrysanthemum segetum L. Comp. Rend. Acad. Sci. [Paris]239: 1664–1666.

    Google Scholar 

  302. —. 1957. Recherches cytologiques sur l’évolution de quelques méristèmes apicaux et sur ses variations provoquées par des traitements photopériodiques. Ann. Sci. Nat., Bot., XI,18: 91–422.

    Google Scholar 

  303. —, andRondet, P. 1958. Sur le fonctionnement du méristème apical deBeta vulgaris L. (variété Cérès sucrière) dupuis la phase adulte jusqu’à la fleur terminale. Comp. Rend. Acad. Sci. [Paris]246: 3177–3180.

    Google Scholar 

  304. Lance-Nougarède, A. 1961a. Comparison du fonctionnement reproducteur chez deux plantes vivaces construisant des inflorescences en grappe indéfinie sans fleur terminale,Teucrium scorodonia L. (Labiées) etAlyssum maritimum Lamk. (Crucifères). Comp. Rend. Acad. Sci. [Paris]252: 924–926.

    Google Scholar 

  305. —. 1961b. Sur l’incorporation de l’adénine marquée au tritium (3H) dans les noyaux et le cytoplasme des cellules de deux méristèmes caulinaires:Lupinus albus (Papilionacées) etTeucrium scorodonia (Labiées). Comp. Rend. Acad. Sci. [Paris]252: 1504–1506.

    Google Scholar 

  306. —, andLoiseau, J. E. 1960. Sur la structure et la fonctionnement du méristème végétatif de quelques angiospermes aquatiques ou semi-aquatiques dépourvues de moelle. Comp. Rend. Acad. Sci. [Paris]250: 4438–4440.

    Google Scholar 

  307. Lang, A. 1952. Physiology of flowering. Ann. Rev. Plant Physiol.3: 265–306.

    Article  Google Scholar 

  308. —. 1956a. Stem elongation in a rosette plant, induced by gibberellic acid. Naturwiss.43: 257–258.

    Article  CAS  Google Scholar 

  309. —. 1956b. Induction of flower formation in biennialHyoscyamus by treatment with gibberellin. Naturwiss.43: 284–285.

    Article  CAS  Google Scholar 

  310. —. 1956c. Gibberellin and flower formation. Naturwiss.43: 544.

    Article  CAS  Google Scholar 

  311. —. 1957a. The gibberellins and their role in plant growth and development. Colloque Int. sur le Photothermopériodism. Parma,1957: 55–73.

    Google Scholar 

  312. —. 1957. The effect of gibberellin upon flower formation. Proc. Nat. Acad. Sci. [Wash.]43: 709–717.

    Article  CAS  Google Scholar 

  313. -. 1959a. Induction of reproductive growth in plants.In: Nickerson, W. J. [ed.] Proc. IV Int. Congr. Biochem. Symp. VI, Biochemistry of Morphogenesis: 126–140. Pergamon Press.

  314. -. 1959b. The influence of gibberellin and auxin on photoperiodic induction.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 329–350.

  315. —. 1960. Gibberellin-like substances in photoinduced and vegetativeHyoscyamus Plants. Planta54: 498–504.

    Article  CAS  Google Scholar 

  316. -. 1961. Physiology of reproductive development in higher plants.In: Physiology of Reproduction (Proc. 22nd Biol. Colloquium, Oregon State University, 1961): 53–78.

  317. - andReinhard, E. 1961. Gibberellins and flower formation. Adv. Chem. Ser., no.28: 71–79.

  318. —,Sachs, R. M., andBretz, C. 1959. Effets morphogénétiques de la gibbérelline. Bull. Soc. Franc. Physiol. Vég.5: 1–19.

    Google Scholar 

  319. Lang, W. H. 1915. Phyletic and causal morphology. Rep. Brit. Assoc. Adv. Sci.1915: 701–718.

    Google Scholar 

  320. —. 1924. On some deviations from the normal morphology of the shoot inOsmunda regalis. Mem. Manch. Lit. Phil. Soc.68: 53–67.

    Google Scholar 

  321. Langer, R. H. M., andBussell, W. T. 1964. The effect of flower induction on the rate of leaf initiation. Ann. Bot. N.S.28: 163–167.

    Google Scholar 

  322. LangRidge, J. 1957. Effect of day-length and gibberellic acid on the flowering ofArabidopsis. Nature180: 36–37.

    Article  CAS  Google Scholar 

  323. Lawrence, T., andAshford, R. 1964. Mesocotyl development in Russian wild ryegrass and its effect on survival of shoot apices. Nature201: 727–728.

    Article  Google Scholar 

  324. Leh, H.-O. 1961. Chemomorphosen an Blüten vonCucurbita pepo hervorgerufen durch Phenylborsäure. Naturwiss.48: 138–139.

    Article  CAS  Google Scholar 

  325. Letham, D. S. 1963. Zeatin, a factor inducing cell division isolated fromZea mays. Life Sci. no.8: 569–573.

    Article  CAS  Google Scholar 

  326. Leopold, A. C. 1961. Senescence in plant development. Science134: 1727–1732.

    Article  PubMed  Google Scholar 

  327. —,Niedergang-Kamien, E., andJanick, J. 1959. Experimental modification of plant senescence. Plant Physiol.34: 570–573.

    PubMed  CAS  Google Scholar 

  328. Lincoln, R. G., Mayfield, D. L., andCunningham, A. 1961. Preparation of a floral initiating extract fromXanthium. Science133: 756.

    Article  PubMed  Google Scholar 

  329. ——,Hutchins, R. O., Cunningham, A., Hamner, K. C., andCarpenter, B. H. 1962. Floral initiation ofXanthium in response to application of an extract from a day-neutral plant. Nature195: 918.

    Article  CAS  Google Scholar 

  330. Liverman, J. L. 1955. The physiology of flowering. Ann. Rev. Plant Physiol.6: 177–210.

    Article  CAS  Google Scholar 

  331. Lockhart, J. A. 1956. Reversal of the light inhibition of pea stem growth by the gibberellins. Proc. Nat. Acad. Sci. [Wash.]42: 841–848.

    Article  CAS  Google Scholar 

  332. —. 1957. Studies on the organ of production of the natural gibberellin factor in higher plants. Plant Physiol.32: 204–207.

    Article  PubMed  CAS  Google Scholar 

  333. -. 1959. Control of stem growth by light and gibberellic acid.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 217–221.

  334. —. 1961. On the hormonal mechanism of photoinhibition of plant stem growth.In:Christensen, B. Chr., &Buchmann, B. [eds.] Progress in Photobiology: 401–402. (Proc. III Int. Congr. Photobiol., Copenhagen, 1960). Elsevier Publ. Co. New York, London.

    Google Scholar 

  335. —, andGottschall, V. 1961. Fruit-induced and apical senescence inPisum sativum L. Plant Physiol.36: 389–398.

    CAS  Google Scholar 

  336. Loiseau, J.-E. 1954a. Suppression expérimentale d’une hélice foliaire chezImpatiens Roylei Walp. Comp. Rend. Acad. Sci. [Paris]238: 149–151.

    Google Scholar 

  337. —. 1954b. Evolution morphologique de quelques tigesd’Impatiens Roylei Walp. après suppression expérimentale d’une hélice foliaire. Comp. Rend. Acad. Sci. [Paris]238: 385–387.

    Google Scholar 

  338. —. 1954c. Multiplication expérimentale des hélices foliaires chezImpatiens Roylei Walp. Comp. Rend. Acad. Sci. [Paris]238: 1259–1261.

    Google Scholar 

  339. —. 1955a. Influence de destructions ménagées de l’anneau initial sur la phyllotaxie. Comp. Rend. Acad. Sci. [Paris]240: 1715–1717.

    Google Scholar 

  340. —. 1955b. Effet de la destruction totale de la zone périphérique de l’apex chezImpatiens Roylei Walp. Comp. Rend. Acad. Sci. [Paris]241: 571–573.

    Google Scholar 

  341. —. 1956. Influence de l’éclairement sur l’évolution de la phyllotaxie chez la Capucine (Tropaeolum majus L. Comp. Rend. Acad. Sci. [Paris]242: 2248–2251.

    Google Scholar 

  342. —. 1957a. Évolution de la phyllotaxie chezTropaeolum majus L. cultivé en chambres lumineuses conditionnées. Bull. Sci. Bourgogne18: 57–59.

    Google Scholar 

  343. —. 1957b. Régénération de l’apex et nutrition chezImpatiens Roylei Walp. Bull. Sci. Bourgogne18: 53–55.

    Google Scholar 

  344. —. 1959. Observations et expérimentation sur la phyllotaxie et le fonctionnement du sommet végétatif chez quelques Balsaminacées. Ann. Sci. Nat., Bot., XI,20: 1–214.

    Google Scholar 

  345. —. 1960. Application des techniques de microchirurgie à l’étude expérimentale des méristèmes caulinaires. Année Biol.36: 249–304.

    Google Scholar 

  346. —. 1962. Activité mitotique des cellules superficielles du sommet végétatif caulinaire. Mém. Soc. Bot. France1962: 14–23.

    Google Scholar 

  347. —, andDeschatres, R. 1961. Les phyllotaxies bijuguées. Bull. Soc. Bot. France108: 105–116.

    Google Scholar 

  348. —, andNougarède, A. 1963. Comportement de l’apex des rosettes flottantes et processus de ramification chezHydrocharis morsus-ranae L. (Hydrocharidacées). Comp. Rend. Acad. Sci. [Paris]256: 3340–3343.

    Google Scholar 

  349. Longman, K. A. 1961. Factors affecting flower initiation in certain conifers. Proc. Linn. Soc. [London]172: 124–127.

    Google Scholar 

  350. —, andWareing, P. F. 1958. Gravimorphism in trees. Effect of gravity on flowering and shoot growth in Japanese Larch (Larix leptolepis, Murray). Nature182: 380–381.

    Article  Google Scholar 

  351. Loo, Shih-wei. 1945. Cultivation of excised stem tips of asparagus in vitro. Amer. Jour. Bot.32: 13–17.

    Article  Google Scholar 

  352. —. 1946a. Further experiments on the culture of excised asparagus stem tips in vitro. Amer. Jour. Bot.33: 156–159.

    Article  Google Scholar 

  353. —. 1946b. Cultivation of excised stem tips of dodder in vitro. Amer. Jour. Bot.33: 295–300.

    Article  Google Scholar 

  354. Maheshwari, N., andLal, M. 1961. In vitro culture of ovaries ofIberis amara L. Phytomorph.11: 17–23.

    CAS  Google Scholar 

  355. Maheshwari, P., andBaldev, B. 1961. Artificial production of buds from the embryos ofCuscuta reflexa. Nature191: 197–198.

    Article  Google Scholar 

  356. Maheshwari, S. C, andChauhan, O. S. 1963. In vitro control of flowering inWolffia microscopica. Nature198: 99–100.

    Article  Google Scholar 

  357. Mapes, M. O., andSteward, F. C. 1962. Further studies on the aseptic culture of free cells. [Abs.] Amer. Jour. Bot.49: 662.

    Google Scholar 

  358. Margara, J. 1961. Comparaison des effets du bromure d’allyl-trimethylammonium et de l’acide gibbérellique sur le développement d’espèces du genreBeta. Comp. Rend. Acad. Sci. [Paris]253: 1606–1608.

    CAS  Google Scholar 

  359. Marsden, M. P. F., andWetmore, R. H. 1954. In vitro culture of the shoot tips ofPsilotum nudum. Amer. Jour. Bot.41: 640–645.

    Article  Google Scholar 

  360. Marth, P. C., Audia, W. V., andMitchell, J. W. 1956. Effects of gibberellic acid on growth and development of plants of various genera and species. Bot. Gaz.118: 106–111.

    Article  CAS  Google Scholar 

  361. —,Preston, W. H. Jr., andMitchell, J. W. 1953. Growth controlling effects of some quaternary ammonium compounds on various species of plants. Bot. Gaz.115: 200–204.

    Article  CAS  Google Scholar 

  362. Marushige, K., andMarushige, Y. 1962. Effects of 8-azaguanine, thiouracil and ethionine on floral initiation and vegetative development in seedlings ofPharbitis nil Chois. Bot. Mag. Tokyo75: 270–272.

    CAS  Google Scholar 

  363. McCULLY, M. E., andDale, H. M. 1961. Variations in leaf number inHippuris. A study of whorled phyllotaxis. Canad. Jour. Bot.39: 611–625.

    Google Scholar 

  364. Meiselman, N., Gunckel, J, E., andSparrow, A. H. 1961. The general morphology and growth responses of two species ofNicotiana and their interspecific hybrid after chronic gamma irradiation. Rad. Bot.1: 69–79.

    Article  Google Scholar 

  365. Melchior, G. H. 1960. Erhöhung der Blühwilligkeit an Pfröpflingen der Japanlärche (Larix leptolepis (Sieb, und Zucc.) GORD). Naturwiss.47: 502.

    Article  Google Scholar 

  366. —. 1961. Versuche mit Gibberellinsäure an Waldbaum-Sämlingen und -Stecklingen. Naturwiss.48: 384.

    Article  CAS  Google Scholar 

  367. Michniewicz, M., andLang, A. 1962a. Effect of gibberellins A1 through A9 on flower formation inMyosotis alpestris L. Naturwiss.49: 211–212.

    Article  CAS  Google Scholar 

  368. ——. 1962b. Effect of nine different gibberellins on stem elongation and flower formation in cold-requiring and photoperiodic plants grown under non-inductive conditions. Planta58: 549–563.

    Article  CAS  Google Scholar 

  369. Miksche, J. P. andBrown, J. A. M. 1963. Development of the vegetative and floral meristem ofArabidopsis thaliana under controlled conditions of growth. [Abs.] Amer. Jour. Bot.50: 616–617.

    Google Scholar 

  370. —,Sparrow, A. H., andRogers, A. F. 1962. The effects of chronic gamma irradiation on the apical meristem and bud formation ofTaxus media. Rad. Bot.2: 125–129.

    Article  Google Scholar 

  371. Miller, C. O. 1961a. A kinetin-like compound in maize. Proc. Nat. Acad. Sci. [Wash.]47: 170–174.

    Article  CAS  Google Scholar 

  372. —. 1961b. Kinetin and related compounds in plant growth. Ann. Rev. Plant Physiol.12: 395–408.

    Article  CAS  Google Scholar 

  373. Millington, W. F. 1963a. Shoot tip abortion inUlmus americana. Amer. Jour. Bot.50: 371–378.

    Article  Google Scholar 

  374. —. 1963b. Long shoots, short shoots and tendril shoots in the morphogenesis ofParthenocissus. [Abs.] Amer. Jour. Bot.50: 617.

    Google Scholar 

  375. Mitchell, W. D., andWittwer, S. H. 1962. Chemical regulation of flower sex expression and vegetative growth inCucumis sativus L. Science136: 880–881.

    CAS  Google Scholar 

  376. Moh, C. C. 1961. Does a coffee plant develop from one initial cell in the shoot apex of an embryo ? Rad. Bot.1: 97–99.

    Article  Google Scholar 

  377. Mohr, H. 1962. Primary effects of light on growth. Ann. Rev. Plant Physiol.13: 465–488.

    Article  CAS  Google Scholar 

  378. Moorby, J., andWareing, P. F. 1963. Ageing in woody plants. Ann. Bot. N.S.27: 291–308.

    Google Scholar 

  379. Moore, T. C., andBonde, E. K. 1962. Physiology of flowering in peas. Plant Physiol.37: 149–153.

    Article  PubMed  CAS  Google Scholar 

  380. Morel, G. 1963. La culture in vitro du méristème apical de certaines Orchidées. Comp. Rend. Acad. Sci. [Paris]256: 4955–4957.

    Google Scholar 

  381. Morgan, D. G. 1964. Influence of a-naphthylphthalamic acid on the movement of indolyl-3-acetic acid in plants. Nature201: 476–477.

    Article  PubMed  CAS  Google Scholar 

  382. Murashige, T. 1961. Suppression of shoot formation in cultured tobacco cells by gibberellic acid. Science134: 280.

    Article  Google Scholar 

  383. Murfet, I. C., andBarber, H. N. 1961. Effects of gibberellic acid and allogibberic acid on flowering and internode-length inPisum sativum. Nature191: 514–515.

    Article  CAS  Google Scholar 

  384. Murgai, P. 1959. In vitro culture of the inflorescences, flowers and ovaries of an apomict,Aerva tomentosa Forsk. Nature184: 72–73.

    Google Scholar 

  385. Napp-Zinn, K. 1961. Vernalisation und verwandte Erscheinungen Encyc. Plant Physiol.16: 24–75.

    Google Scholar 

  386. Nasr, T. A. A., andWareing, P. F. 1961. Studies on flower initiation in blackcurrant. I. Some internal factors affecting flowering. Jour. Hort. Sci.36: 1–10.

    Google Scholar 

  387. Negbi, M., andLang, A. 1961. Studies on orientation of cell division inHyoscyamus niger. Amer. Jour. Bot.48: 529–530.

    Google Scholar 

  388. Nelson, O. E. Jr., andPostlethwait, S. N. 1954. Variations in atypical growth in a maize mutant. Amer. Jour. Bot.41: 739–748.

    Article  Google Scholar 

  389. Neville, P. 1961a. Étude expérimentale de l’influence des ébauches foliaires sur la morphogenèse végétative deGleditschia. Comp. Rend. Acad. Sci. [Paris]253: 1121–1123.

    Google Scholar 

  390. —. 1961b. Influence de la feuille, à ses premiers stades, sur la morphogenèse végétative chezGleditschia triacanthos L. Bull. Soc. Bot. France108: 120–127.

    Google Scholar 

  391. Newman, I. V. 1956. Pattern in meristems of vascular plants. I. Cell partition in living apices and in the cambial zone in relation to the concepts of initial cells and apical cells. Phytomorph.6: 1–19.

    Google Scholar 

  392. —. 1961. Pattern in the meristems of vascular plants. II. A review of shoot apical meristems of gymnosperms, with comments on apical biology and taxonomy, and a statement of some fundamental concepts. Proc. Linn. Soc. [New So. Wales]86: 9–59.

    Google Scholar 

  393. Nitsch, J. P. 1951. Growth and development in vitro of excised ovaries. Amer. Jour. Bot.38: 566–577.

    Article  CAS  Google Scholar 

  394. —. 1963. The mediation of climatic effects through endogenous regulating substances.In:Evans, L. T. [ed.] Environmental Control of Plant Growth: 175–193. Academic Press, New York and London.

    Google Scholar 

  395. -, andNitsch, C. 1959. Photoperiodic effects in woody plants: evidence for the interplay of growth-regulating substances.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 225–242. Washington.

  396. Njoku, E. 1958. Effect of gibberellic acid on leaf form. Nature182: 1097–1098.

    Article  PubMed  CAS  Google Scholar 

  397. Norstog, K. 1961. The growth and differentiation of cultured barley embryos. Amer. Jour. Bot.48: 876–884.

    Article  Google Scholar 

  398. North, C. 1957. Studies in morphogenesis ofBrassica oleracea L. I. Growth and development of cabbage during the vegetative phase. Jour. Exp. Bot.8: 304–312.

    Article  Google Scholar 

  399. —. 1960. Studies in morphogenesis ofBrassica oleracea L. II. The comparative morphology of typical heading-type cabbage plants and non-heading rogues. Jour. Exp. Bot.11: 395–402.

    Article  Google Scholar 

  400. Nougarède, A., andLoiseau, J.-E. 1963. Étude morphologique des rameaux duLycopodium selago L.; structure et fonctionnement de l’apex. Comp. Rend. Acad. Sci. [Paris]257: 2698–2701.

    Google Scholar 

  401. O’Brien, T. P. 1963. The morphology and growth ofPteridium aquilinum var.esculentum (Forst.) Kuhn. Ann. Bot. N.S.27: 253–267.

    Google Scholar 

  402. Okazawa, Y., andChapman, H. W. 1962. Regulation of tuber formation in the potato plant. Physiol. Plant.15: 413–419.

    Article  CAS  Google Scholar 

  403. Okuda, M. 1959. Responses ofPharbitis nil Chois, to gibberellin with special reference to anatomical features. Bot. Mag. Tokyo72: 443–449.

    Google Scholar 

  404. Oota, Y. andOsawa, S. 1954. Migration of “storage PNA” from cotyledon into growing organs of bean seed embryo. Experientia10: 254–256.

    Article  PubMed  CAS  Google Scholar 

  405. Palmer, J. H. 1954. Effect of shoot orientation on leaf and shoot development. Nature174: 85.

    Article  Google Scholar 

  406. —. 1956. The nature of the growth response to sunlight shown by certain stoloniferous and prostrate tropical plants. New Phytol.55: 346–355.

    Article  Google Scholar 

  407. Paoiillo, D. J., Jr., andGifford, E. M., Jr. 1961. Plastochronic changes and the concept of apical initials inEphedra altissima. Amer. Jour. Bot.48: 8–16.

    Article  Google Scholar 

  408. Partanen, C. R. andGifford, E. M., Jr. 1958. Application of autoradiographic techniques to studies of shoot apices. Nature182: 1747–1748.

    Article  PubMed  CAS  Google Scholar 

  409. Paulet, P., andNitsch, J. P. 1959. Stimulation chimique du bourgeonnement chezCardamine pratensis L. Bull. Soc. Bot. France106: 425–441.

    Google Scholar 

  410. Pecket, R. C., andSelim, A. R. A. A. 1965. Embryo-culture in the genusLalhyrus. Jour. Exp. Bot. [In press].

  411. Pellegrini, O. 1959. Esperimenti microchirurgici sul funzionamento del meristema apicale dei germogli diPhaseolus vulgaris L. Delpinoa N. S.1: 205–230.

    Google Scholar 

  412. —. 1961. Modificazione delie prospettive morfogenetiche in primordi fogliari chirurgicamente isolati dal meristema apicale del germoglio. Delpinoa N. S.3: 1–12.

    Google Scholar 

  413. Peterson, C. E., andAnhder, L. D. 1960. Induction of staminate flowers on gynoecious cucumbers with gibberellin A3. Science131: 1673–1674.

    Article  PubMed  Google Scholar 

  414. Philipson, W. R. 1947. Some observations on the apical meristems of leafy and flowering shoots. Jour. Linn. Soc. (Bot.)53: 187–193.

    Google Scholar 

  415. —. 1949. The ontogeny of the shoot apex in dicotyledons. Biol. Rev.24: 21–50.

    Article  PubMed  CAS  Google Scholar 

  416. Phinney, B. O. 1956. Growth response of single-gene dwarf mutants in maize to gibberellic acid. Proc. Nat. Acad. Set. [Wash.]42: 185–189.

    Article  CAS  Google Scholar 

  417. Phinney, B. O. andWest, C. A. 1960. Gibberellins and the growth of flowering plants.In: Rudnick, D. [ed.] Developing Cell Systems and Their Control: 71–92. 18th symp., Soc. Study Dev. & Growth.

  418. Pilkington, M. 1929. The regeneration of the stem apex. New Phytol.28: 37–53.

    Article  Google Scholar 

  419. Plack, A. 1957. Sexual dimorphism in Labiatae. Nature180: 1218–1219.

    Article  Google Scholar 

  420. —. 1958. Effect of gibberellic acid on corolla size. Nature182: 610.

    Article  CAS  Google Scholar 

  421. Plantefol, L. 1946. Fondements d’une théorie phyllotaxique nouvelle. I. Historique et critique. II. La phyllotaxie des monocotylédones. Ann. Sci. Nat., Bot. XI.7: 153–229.

    Google Scholar 

  422. —. 1947a. Fondements d’une théorie phyllotaxique nouvelle. III. La phyllotaxie des dicotylédones. IV. Généralisations et conclusions. Ann. Sci. Nat. Bot., XI. 8: 1–71.

    Google Scholar 

  423. —. 1947b. Hélices foliaires, point végétatif et stèle chez les Dicotylédones. Rev. Gén. Bot.54: 49–80.

    Google Scholar 

  424. —. 1949. A new theory of phyllotaxis. Nature163: 331–332.

    Article  PubMed  CAS  Google Scholar 

  425. —. 1951. Phyllotaxie et point végétatif. Scientia86: 91–98.

    Google Scholar 

  426. —. 1962. Structure et fonctionnement du méristème terminal de la tige. Rapport introductif. Mém. Soc. Bot. France1962: 3–14.

    Google Scholar 

  427. Pollock, E. G. andJensen, W. A. 1962. DNA synthesis and patterns of cell division in developing higher plant embryos. [Abs.] Amer. Jour. Bot.49: 656.

    Google Scholar 

  428. Popham, R. A. 1951. Principal types of vegetative shoot apex organization in vascular plants. Ohio Jour. Sci.51: 249–270.

    Google Scholar 

  429. —. 1958. Cytogenesis and zonation in the shoot apex ofChrysanthemum morifolium. Amer. Jour. Bot.45: 198–206.

    Article  Google Scholar 

  430. —. 1960. Variability among vegetative shoot apices. Bull. Torrey Bot. Club87: 139–150.

    Article  Google Scholar 

  431. Postlethwait, S. N., andNelson, O. E. 1964. Characterization of development in maize through the use of mutants. I. ThePolytypic (Pi) andramosai (rat) mutants. Amer. Jour. Bot.51: 238–243.

    Article  Google Scholar 

  432. Poux, N. 1960. Variations de la répartition des ribonucléoprotéines dans l’apex d’un Blé de printemps (Triticum vulgare Vill.) au cours du développement. Comp. Rend. Acad. Sci. [Paris]250: 585–587.

    CAS  Google Scholar 

  433. Pratt, C. 1959. Radiation damage in shoot apices of Concord grape. Amer. Jour. Bot.46: 103–109.

    Article  Google Scholar 

  434. Priestley, J. H., andSwingle, C. F. 1929. Vegetative propagation from the standpoint of plant anatomy. U.S. Dept. Agr., Tech. Bull. 151. 98 pp.

  435. Purvis, O. N. 1961. The physiological analysis of vernalisation. Encyc. Plant Physiol.16: 76–122.

    Google Scholar 

  436. Radley, M. 1963. Gibberellin content of spinach in relation to photoperiod. Ann. Bot. N. S.27: 373–377.

    CAS  Google Scholar 

  437. Raghavan, V. 1961. Studies on the floral histogenesis and physiology ofPerilla. III. Effects of indoleacetic acid on the flowering of apical buds and expiants in culture. Amer. Jour. Bot.48: 870–876.

    Article  CAS  Google Scholar 

  438. —, andJacobs, W. P. 1961. Studies on the floral histogenesis and physiology ofPerilla. II. Floral induction in cultured apical buds ofP. frutescens. Amer. Jour. Bot.48: 751–761.

    Article  Google Scholar 

  439. —, andTorrey, J. G. 1963. Growth and morphogenesis of globular and older embryos ofCapsella in culture. Amer. Jour. Bot.50: 540–551.

    Article  Google Scholar 

  440. Randolph, L. F., Abbe, E. C., andEinset, J. 1944. Comparison of shoot apex and leaf development and structure in diploid and tetraploid maize. Jour. Agr. Res.69: 47–76.

    Google Scholar 

  441. Rappaport, J. 1954. In vitro culture of plant embryos and factors controlling their growth. Bot. Rev.20: 201–225.

    CAS  Google Scholar 

  442. Rappaport, L., andBonner, J. 1960. Interactions of gibberellin, vernalization, photoperiod and temperature in the flowering of endive. Plant Physiol.35: 98–102.

    Article  PubMed  CAS  Google Scholar 

  443. Rees, A. R. 1964. The apical organization and phyllotaxis of the oil palm. Ann. Bot. N. S.28: 57–69.

    Google Scholar 

  444. Reinert, J. 1959. Über die Kontrolle der Morphogenese und die Induktion von Adventivembryonen an Gewebekulturen aus Karotten. Planta53: 318–333.

    Article  Google Scholar 

  445. —. 1962. Morphogenesis in plant tissue cultures. Endeavour21: 85–90.

    CAS  Google Scholar 

  446. Rémy, M. 1961. Inhibition par l’acide β-indoleacetique des bourgeons sur des plantules de pois à deux pousses subégales. Comp. Rend. Acad. Sci. [Paris]252: 2933–2935.

    Google Scholar 

  447. Richards, F. J. 1948. The geometry of phyllotaxis and its origin. Symp. Soc. Exp. Biol.2: 217–245.

    Google Scholar 

  448. —. 1951. Phyllotaxis: its quantitative expression and relation to growth in the apex. Phil. Trans. B235: 509–564.

    Article  Google Scholar 

  449. —. 1956. Spatial and temporal correlations involved in leaf pattern production at the apex.In:Milthorpe F. L. [ed.] The Growth of Leaves: 66–76. Butterworth, London.

    Google Scholar 

  450. Rivières, R. 1959. Sur la culture in vitro d’embryons isolés de Polypodiacées. Comp. Rend. Acad. Sci. [Paris]248: 1004–1007.

    Google Scholar 

  451. Robbins, W. J. 1957. Gibberellic acid and the reversal of adultHedera to a juvenile state. Amer. Jour. Bot.44: 743–746.

    Article  Google Scholar 

  452. —. 1960. Further observations on juvenile and adultHedera. Amer. Jour. Bot.47: 485–491.

    Article  CAS  Google Scholar 

  453. Rodrigues Pereira, A. S. 1962. Physiological experiments in connection with flower formation in Wedgwood Iris (Iris cv. “Wedgwood”). Acta Bot. Néerl.11: 97–138.

    Google Scholar 

  454. Romberger, J. A. 1963. Meristems, growth and development in woody plants. U.S. Dep. Agr. Tech. Bull. 1293. 214 pp.

  455. Rondet, P. 1958. Répartition et signification des acides ribonucléiques au cours de l’embryogenèse chezLens culinaris L. Comp. Rend. Acad. Sci. [Paris]246: 2396–2399.

    CAS  Google Scholar 

  456. Ross, C. W. 1963. Influence of 6-azauracil on flowering and RNA synthesis inXanthium pennsylvanicum. Plant Physiol.38 (suppl.): 1v.

    Google Scholar 

  457. Ruddat, M., Lang, A., andMosettig, E. 1963. Gibberellin activity of steviol, a plant terpenoid. Naturwiss.50: 23.

    Article  CAS  Google Scholar 

  458. Sachs, R. M. 1962. In vitro studies with growth retardants. [Abs.] Amer. Jour. Bot.49: 656.

    Google Scholar 

  459. —,Bretz, C. F., andLang, A. 1959a. Shoot histogenesis: the early effects of gibberellin upon stem elongation in two rosette plants. Amer. Jour. Bot.46: 376–384.

    Article  CAS  Google Scholar 

  460. ———. 1959b. Cell division and gibberellic acid. Expl. Cell Res.18: 230–244.

    CAS  Google Scholar 

  461. —, andKofranek, A. M. 1963. Comparative cytohistological studies on inhibition and promotion of stem growth inChrysanthemum morifolium. Amer. Jour. Bot.50: 772–779.

    Article  CAS  Google Scholar 

  462. —, andLanc, A. 1957. Effect of gibberellin on cell division inHyoscyamus. Science125: 1144–1145.

    Article  PubMed  CAS  Google Scholar 

  463. --, andLanc, A. 1959. Shoot histogenesis and the subapical meristem: the action of gibberellic acid, Amo-1618, and maleic hydrazide.In: Plant Growth Regulation: 567–578. Iowa State Univ. Press.

  464. ——, andLanc, A. Bretz, C. F., andRoach, J. 1960. Shoot histogenesis: subapical meristematic activity in a caulescent plant and the action of gibberellic acid and Amo-1618. Amer. Jour. Bot.47: 260–266.

    Article  CAS  Google Scholar 

  465. Sachs, T., andThimann, K. V. 1964. Release of lateral buds from apical dominance. Nature201: 939–940.

    Article  Google Scholar 

  466. Salisbury, F. B. 1961. Photoperiodism and the flowering process. Ann. Rev. Plant Physiol.12: 293–326.

    Article  CAS  Google Scholar 

  467. —. 1963. The Flowering Process. 234 pp. Pergamon Press. Oxford.

    Google Scholar 

  468. —, andBonner, J. 1960. Inhibition of photoperiodic induction by 5-fluorouracil. Plant Physiol.35: 173–177.

    PubMed  CAS  Google Scholar 

  469. Savelkoul, R. M. H. 1957. Distribution of mitotic activity within the shoot apex ofElodea densa. Amer. Jour. Bot.44: 311–317.

    Article  Google Scholar 

  470. Sax, K. 1962. Aspects of aging in plants. Ann. Rev. Plant Physiol.13: 489–506.

    Article  CAS  Google Scholar 

  471. Schaffalitzky de Muckadell, M. 1959. Investigations on aging of apical meristems in woody plants and its importance in silviculture. Det forstlige Forscgsvoesen i Danmark25: 310–455.

    Google Scholar 

  472. Schoute, J. C. 1913. Beiträge zur Blattstellungslehre. Rec. Trav. Bot. Néerl.10: 153–325.

    Google Scholar 

  473. Schraudolf, H., andReinert, J. 1959. Interaction of plant growth regulators in regeneration processes.

  474. Schwabe, W. W. 1959. Some effects of environment and hormone treatment on reproductive morphogenesis in the Chrysanthemum. Jour. Linn. Soc. (Bot.)56: 254–261.

    Google Scholar 

  475. —. 1963. Morphogenetic responses to climate. In:Evans, L. T. [ed.] Environmental Control of Plant Growth: 311–336. Academic Press, New York and London.

    Google Scholar 

  476. Scurfield, G. 1961. The effects of temperature and day length on species of Eucalyptus. Austral. Jour. Bot.9: 37–56.

    Article  Google Scholar 

  477. —, andMoore, C. W. E. 1958. Effects of gibberellic acid on species of Eucalyptus. Nature181: 1276–1277.

    Article  CAS  Google Scholar 

  478. Sen, J., and Basu, S. K. 1963. Variated leaf shape of infected plants of Samanea saman (Jacqu.) Merr. Nature198: 103.

    Article  Google Scholar 

  479. Shifriss, O. 1961. Gibberellin as sex regulator in Ricinus commuais. Science133: 2061–2062.

    Article  PubMed  Google Scholar 

  480. Sifton, H. B. 1944. Developmental morphology of vascular plants. New Phytol.43: 87–129.

    Article  Google Scholar 

  481. Sinnott, E. W. 1946. Substance or system: the riddle of morphogenesis. Amer. Nat.80: 497–505.

    Article  Google Scholar 

  482. —. 1960. Plant Morphogenesis. 550 pp. McGraw-Hill, New York.

    Google Scholar 

  483. Sironval, C. 1956. Action of day-length upon the formation of adventitious buds in Bryophyllum tubiflorum Harv. Nature178: 1357–1358.

    Article  Google Scholar 

  484. -. 1959. Gibberellins, cell division, and plant flowering. In: Plant Growth Regulation: 521–530. Iowa State Univ. Press.

  485. Skoog, F. 1955. Growth factors, polarity and morphogenesis. Année Biol. III,31: 201–213.

    Google Scholar 

  486. —, andMiller, C. O. 1957. Chemical regulation of growth and organ formation in plant tissues cultured in vitro. Symp. Soc. Exp. Biol.11: 118–131.

    Google Scholar 

  487. —, andTsui, C. 1948. Chemical control of growth and bud formation in tobacco stem segments and callus cultured in vitro. Amer. Jour. Bot.35: 782–787.

    Article  CAS  Google Scholar 

  488. Smith, C. A. 1963. Shoot apices in the family Moraceae with a seasonal study of Madura pomifera (Raf.) Schneid. Bull. Torrey Bot. Club90: 237–258.

    Article  Google Scholar 

  489. Smith, D. L. 1964. The inflorescence of Carex. Unpublished.

  490. Snow, M. 1951. Experiments on spirodistichous shoot apices. I. Phil. Trans. B.235: 131–162.

    Article  Google Scholar 

  491. —. 1955. Spirodistichy re-interpreted. Phil. Trans. B.239: 45–88.

    Article  Google Scholar 

  492. —, andSnow, R. 1931. Experiments on phyllotaxis. I. The effect of isolating a primordium. Phil. Trans. B.221: 1–43.

    Article  Google Scholar 

  493. ——. 1933. Experiments on phyllotaxis. II. The effect of displacing a primordium. Phil. Trans. B.222: 353–400.

    Article  Google Scholar 

  494. ——. 1935. Experiments on phyllotaxis. III. Diagonal splits through decussate apices. Phil. Trans. B.225: 63–94.

    Article  Google Scholar 

  495. ——. 1937. Auxin and leaf formation. New Phytol.36: 1–18.

    Article  CAS  Google Scholar 

  496. ——. 1942. The determination of axillary buds. New Phytol.41: 13–22.

    Article  Google Scholar 

  497. ——. 1947. On the determination of leaves. New Phytol.46: 5–19.

    Article  Google Scholar 

  498. ——. 1952. Minimum areas and leaf determination. Proc. Roy. Soc. B.139: 545–566.

    CAS  Google Scholar 

  499. ——. 1955. Regulation of sizes of leaf primordia by growing-point of stem apex. Proc. Roy. Soc. B.144: 222–229.

    Google Scholar 

  500. ——. 1959a. The dorsiventrality of leaf primordia. New Phytol.58: 188–207.

    Article  Google Scholar 

  501. ——. 1959b. Regulation of sizes of leaf primordia by older leaves. Proc. Roy. Soc. B.151: 39–47.

    Google Scholar 

  502. ——. 1962. A theory of the regulation of phyllotaxis based on Lupinus albus. Phil. Trans. B.244: 483–514.

    Article  Google Scholar 

  503. Snow, R. 1942. Further experiments on whorled phyllotaxis. New Phytol.41: 108–124.

    Article  Google Scholar 

  504. —. 1948. A new theory of leaf formation. Nature162: 798.

    Article  Google Scholar 

  505. —. 1949. A new theory of phyllotaxis. Nature163: 332.

    Article  Google Scholar 

  506. —. 1951. Experiments on bijugate apices. Phil. Trans. B.235: 291–310.

    Article  Google Scholar 

  507. —. 1955. Problems of phyllotaxis and leaf determination. Endeavour14: 190–199.

    Google Scholar 

  508. —, andSnow, M. 1953. Regeneration of the potato shoot apex. Nature171: 224.

    Article  PubMed  CAS  Google Scholar 

  509. ——, andSnow, M.. 1954a. Experiments on the cause of dorsiventrality in leaves. Nature174: 352–353.

    Article  Google Scholar 

  510. ——, andSnow, M.. 1954b. Experiments on the cause of dorsiventrality in leaves. Nature173: 644.

    Article  Google Scholar 

  511. Soma, K. 1958. Morphogenesis in the shoot apex of Euphorbia lathyris L. Jour. Fac. Sci. Tokyo Univ. III,7: 199–256.

    Google Scholar 

  512. Sossountzov, L. 1963. Effets de la kinétine sur le développement du sporophyte du Marsilea drummondii A. Br. (Filicinées, Marsiléacées) cultivé in vitro. Comp. Rend. Acad. Sci. [Paris]256: 1824–1827.

    Google Scholar 

  513. Stant, M. Y. 1959. Some growth responses to gibberellic acid. Jour. Linn. Soc. (Bot.)56: 249–250.

    Article  Google Scholar 

  514. Steeves, T. A. 1957. [Discussion following a paper on “Histogenesis in plant tissue cultures” by R. J. Gautheret]. Jour. Nat. Cancer Inst.19: 583–585.

    Google Scholar 

  515. -. 1961a. The development of leaves in sterile nutrient culture. In: Recent Advances in Botany 1: 823–827. Univ. of Toronto Press.

  516. —. 1961b. The developmental potentialities of excised leaf primordia in sterile culture. Phytomorph.11: 346–359.

    Google Scholar 

  517. -. 1962. Morphogenesis in isolated fern leaves. In: Rudnick, D. [ed.] Regeneration: 117–151. 20th Symp. Soc. Study Dev. & Growth.

  518. —. 1963. Morphogenetic studies of fern leaves. Jour. Linn. Soc. (Bot.)58: 401–415.

    Google Scholar 

  519. —, andBriggs, W. R. 1958. Morphogenetic studies on Osmunda cmnamomea L. The origin and early development of vegetative fronds. Phytomorph.8: 60–72.

    Google Scholar 

  520. —,Gabriel, H. P., andSteeves, M. W. 1957. Growth in sterile culture of excised leaves of flowering plants. Science126: 350–351.

    Article  PubMed  Google Scholar 

  521. —, andSussex, I. M. 1957. Studies on the development of excised leaves in sterile culture. Amer. Jour. Bot.44: 665–673.

    Article  Google Scholar 

  522. —, andWetmore, R. H. 1953. Morphogenetic studies on Osmunda cinnamomea L.: some aspects of the general morphology. Phytomorph.3: 339–354.

    Google Scholar 

  523. Stein, D. B., andStein, O. L. 1960. The growth of the stem tip of Kalanchoë cv. ‘Brilliant Star’. Amer. Jour. Bot.47: 132–140.

    Article  Google Scholar 

  524. Stein, O. L., andSteffensen, D. M. 1959. The activity of x-rayed apical meristems: a genetic and morphogenetic analysis in Zea mays. Zeits. Vererb.90: 483–502.

    Article  Google Scholar 

  525. Steward, F. C. 1961a. Organization and integration: plant cell growth and nutrition. In:Zarrow, M. X. [ed.] Growth in Living Systems: 453–490. Basic Books, Inc., New York.

    Google Scholar 

  526. —. 1961b. Vistas in plant physiology: problems of organization, growth, and morphogenesis. Canad. Jour. Bot.39: 441–460.

    Article  Google Scholar 

  527. -. 1961c. [With E. M. Shantz, J. K. Pollard, M. O. Mapes and J. Mitra]. Growth induction in explanted cells and tissues: metabolic and morphogenetic manifestations. In: Rudnick, D. [ed.] Synthesis of Molecular and Cellular Structure: 193–246. 19th Symp. Soc. Study Dev. & Growth. New York.

  528. —. [WithMapes, M. O., Kent, A. E. andHolsten, R. D.] 1964. Growth and development of cultured plant cells. Science143: 20–27.

    Article  PubMed  CAS  Google Scholar 

  529. —,Mapes, M. O. andKent, A. E. 1963. Carrot plants from cultured cells: new evidence for the totipotency of somatic cells. [Abs.] Amer. Jour. Bot.50: 618.

    Google Scholar 

  530. ——, andMears, K. 1958. Growth and organized development of cultured cells. II. Organization in cultures grown from freely suspended cells. Amer. Jour. Bot.45: 704–708.

    Google Scholar 

  531. —— andSmith, J. 1958. Growth and organized development of cultured cells. I. Growth and division of freely suspended cells. Amer. Jour. Bot.45: 693–703.

    Article  Google Scholar 

  532. —, andMohan Ram, H. Y. 1961. Determining factors in cell growth: some implications for morphogenesis in plants. Adv. Morphogen.1: 189–265.

    CAS  Google Scholar 

  533. —,Wetmore, R. H., Thompson, J. F., andNitsch, J. P. 1954. A quantitative Chromatographie study of nitrogenous components of shoot apices. Amer. Jour. Bot.41: 123–134.

    Article  CAS  Google Scholar 

  534. Stoddart, J. L. 1963. Effect of gibberellin on varietal identity in red clover (Trifolium pratense L.). Nature199: 1270–1271.

    Article  Google Scholar 

  535. Stoutemyer, V. T., andBritt, O. K. 1963. Tissue culture of juvenile and adult specimens of ivy. Nature199: 397–398.

    Article  Google Scholar 

  536. Stowe, B. B., Stodola, F. H., Hayashi, T., andBrian, P. W. 1959. The early history of gibberellin research. In: Plant Growth Regulation: 465–471. Iowa State Univ. Press.

  537. —, andYamacki, T. 1957. The history and physiological action of the gibberellins. Ann. Rev. Plant Physiol.8: 181–216.

    Article  CAS  Google Scholar 

  538. Straub, J. 1960. Entwicklungsphysiologische Untersuchungen über die Zweiund Dreizähligkeit der Wirtel von Antirrhinum majus. Zeits. Bot.48: 219–233.

    Google Scholar 

  539. Stuart, N. W. 1961. Initiation of flower buds in Rhododendron after application of growth retardants. Science134: 50–52.

    Article  PubMed  Google Scholar 

  540. —, andCathey, H. M. 1961. Applied aspects of the gibberellins. Ann. Rev. Plant Physiol.12: 369–394.

    Article  CAS  Google Scholar 

  541. Sun, C. N. 1960. Effect of excising certain structures on foliar determination in Arisaema consanguineum Schott. Phytomorph.10: 37–42.

    Google Scholar 

  542. Sunderland, N. 1960. Cell division and expansion in the growth of the leaf. Jour. Exp. Bot.11: 68–80.

    Article  Google Scholar 

  543. —, andBrown, R. 1956. Distribution of growth in the apical region of the shoot of Lupinus albus. Jour. Exp. Bot.7: 127–145.

    Article  Google Scholar 

  544. —,Heyes, J. K., andBrown, R. 1956. Growth and metabolism in the shoot apex of Lupinus albus. In:Milthorpe, F. L. [ed.] The Growth of Leaves: 77–90. Butterworths, London.

    Google Scholar 

  545. ———. 1957. Protein and respiration in the apical region of the shoot of Lupinus albus. Jour. Exp. Bot.8: 55–70.

    Article  CAS  Google Scholar 

  546. Sussex, I. M. 1951. Experiments on the cause of dorsiventrality in leaves. Nature167: 651–652.

    Article  PubMed  CAS  Google Scholar 

  547. —. 1952. Regeneration of the potato shoot apex. Nature170: 755–757.

    Article  Google Scholar 

  548. —. 1953. Regeneration of the potato shoot apex. Nature171: 224–225.

    Article  PubMed  Google Scholar 

  549. —. 1954. Experiments on the cause of dorsiventrality in leaves. Nature174: 351–352.

    Article  Google Scholar 

  550. —. 1955. Morphogenesis in Solanum tuberosum L.: experimental investigation of leaf dorsiventrality and orientation in the juvenile shoot. Phytomorph.5: 286–300.

    Google Scholar 

  551. —. 1958. A morphological and experimental study of leaf development in Leptopteris hymenophylloides (A. Rich.) Presl. Phytomorph.8: 96–107.

    CAS  Google Scholar 

  552. —, andClutter, M. E. 1960. A study of the effect of externally supplied sucrose on the morphology of excised fern leaves in vitro. Phytomorph.10: 87–99.

    CAS  Google Scholar 

  553. —, andSteeves, T. A. 1953. Growth of excised fern leaves in sterile culture. Nature172: 624–625.

    Article  PubMed  CAS  Google Scholar 

  554. ——. 1958. Experiments on the control of fertility of fern leaves in sterile culture. Bot. Gaz.119: 203–208.

    Article  CAS  Google Scholar 

  555. Takeuchi, K. 1962. Study on the development of gemmae in Lycopodium chinense Christ and Lycopodium serratum Thunb. Jap. Jour. Bot.18: 73–85.

    Google Scholar 

  556. Takimoto, A., Tashima, Y., andImamura, S.-I. 1960. Effect of temperature on flower initiation of Pharbitis nil cultured in vitro. Bot. Mag. Tokyo73: 377.

    Google Scholar 

  557. Tavant, H. 1961. Action de la lumière et de l’acide gibbérellique sur le développement de deux espèces de Begonia: B. semperfiorens et B. gracilis. Comp. Rend. Acad. Sci. [Paris]253: 901–903.

    CAS  Google Scholar 

  558. Tepfer, S. S. 1953. Floral anatomy and ontogeny in Aquilegia formosa var. truncata and Ranunculus repens. Univ. Calif. Publ. Bot.25: 513–648.

    Google Scholar 

  559. —, andChessin, M. 1959. Effects of tobacco mosaic virus on early leaf development in tobacco. Amer. Jour. Bot.46: 496–509.

    Article  Google Scholar 

  560. —,Greyson, R. I., Craig, W. R., andHindman, J. L. 1963. In vitro culture of floral buds of Aquilegia. Amer. Jour. Bot.50: 1035–1045.

    Article  CAS  Google Scholar 

  561. ——, andHindman, J. L. 1962. In vitro culture of floral buds of Aquilegia. [Abs.] Amer. Jour. Bot.49: 657.

    Google Scholar 

  562. ——,Karpoff, A. J., andGerimonte, J. A. 1963. In vitro culture of floral buds of Aquilegia: effects of indoleacetic acid and gibberellic acid. [Abs.] Amer. Jour. Bot.50: 618–619.

    Google Scholar 

  563. Thomas, R. G. 1961a. The relationship between leaf growth and induction of flowering in long-day plants (LDP). Naturwiss.48: 108.

    Article  Google Scholar 

  564. —. 1961b. Promotion of leaf growth by short days in the short-day plant Chenopodium amaranticolor. Nature189: 771–772.

    Article  Google Scholar 

  565. —. 1961c. Correlations between growth and flowering in Chenopodium amaranticolor. I. Initiation of leaf and bud primordia. Ann. Bot. N. S.25: 138–151.

    Google Scholar 

  566. —. 1962. The initiation and growth of axillary bud primordia in relation to flowering in Trifolium repens L. Ann. Bot. N. S.26: 329–344.

    Google Scholar 

  567. —. 1963. Floral induction and the stimulation of cell division in Xanthium. Science140: 54–56.

    Article  PubMed  Google Scholar 

  568. Thompson, P. A. 1963. Reversal of photoperiodic induction of strawberries with maleic hydrazide. Nature200: 146–148.

    Article  CAS  Google Scholar 

  569. —, andGuttridge, C. G. 1960. The role of leaves as inhibitors of flower induction in strawberry. Ann. Bot. N. S.24: 482–490.

    Google Scholar 

  570. Thomson, B. F., andMiller, P. M. 1961. Growth patterns of pea seedlings in darkness and in red and white light. Amer. Jour. Bot.48: 256–261.

    Article  Google Scholar 

  571. ——. 1962. The role of light in histogenesis and differentiation in the shoot of Pisum sativum. I. The apical region. Amer. Jour. Bot.49: 303–310.

    Article  Google Scholar 

  572. Titman, P. W., andWetmore, R. H. 1955. The growth of long and short shoots in Cercidiphyllum. Amer. Jour. Bot.42: 364–372.

    Article  Google Scholar 

  573. Tolbert, N. E. 1961. Alteration of plant growth by chemicals. Bull. Torrey Bot. Club88: 313–320.

    Article  CAS  Google Scholar 

  574. Torrey, J. G. 1958. Endogenous bud and root formation by isolated roots of Convolvulus grown in vitro. Plant Physiol.33: 258–263.

    PubMed  CAS  Google Scholar 

  575. Tronchet, A., Tronchet, J., andMarchal, J. 1961. Transformation de feuilles en vrilles par traitement gibbérellique (Lactuca saligna L., var. annuelle). Comp. Rend. Sci. [Paris]252: 2927–2929.

    Google Scholar 

  576. Tucker, S. C. 1962. Ontogeny and phyllotaxis of the terminal vegetative shoots of Michelia fuscata. Amer. Jour. Bot.49: 722–737.

    Article  Google Scholar 

  577. Turing, A. M. 1952. The chemical basis of morphogenesis. Phil. Trans. B.237: 37–72.

    Article  Google Scholar 

  578. Vaartaja, O. 1960. Effect of photoperiod on drought resistance of white spruce seedlings. Canad. Jour. Bot.38: 597–599.

    Google Scholar 

  579. Vanden Born, W. H. 1963. Histochemical studies of enzyme distribution in shoot tips of white spruce (Picea glauca (Moench) Voss). Canad. Jour. Bot.41: 1509–1527.

    Google Scholar 

  580. Van Fleet, D. S. 1959. Analysis of the histochemical localization of peroxidase related to the differentiation of plant tissues. Canad. Jour. Bot.37: 449–458.

    Google Scholar 

  581. Vasil, I. K. 1957. Effect of kinetin and gibberellic acid on excised anthers of A Ilium cepa. Science126: 1294–1295.

    Article  CAS  Google Scholar 

  582. Veen, H. 1963. The effect of various growth-regulators on embryos of Capsella bursa-pastoris growing in vitro. Acta Bot. Néerl.12: 129–171.

    CAS  Google Scholar 

  583. Vegis, A. 1953. The significance of temperature and the daily light-dark period in the formation of resting buds. Experientia9: 462–463.

    Article  PubMed  CAS  Google Scholar 

  584. - 1955. Über den Einfluss der Temperatur und der täglichen LichtDunkel-Periode auf die Bildung der Ruheknospen zugleich ein Beitrag zur Entstehung des Ruhezustandes. Symb. Bot. Upsal.14. 175 pp.

  585. —. 1956. Formation of the resting condition in plants. Experientia12: 94–99.

    Article  Google Scholar 

  586. —. 1963. Climatic control of germination, bud break, and dormancy. In:Evans, L. T. [ed.] Environmental Control of Plant Growth: 265–287. Academic Press, New York and London.

    Google Scholar 

  587. Vescovi, P. 1959. Phyllotaxie du Sarothamnus scoparius Koch. Comp. Rend. Acad. Sci. [Paris]248: 2625–2627.

    Google Scholar 

  588. Vieth, J. 1962. Contribution au problème de la concaulescence et de la fasciation étudié sur quelques Dipsacacées. Mém. Soc. Bot. France1962: 96–104.

    Google Scholar 

  589. —, andArnal, C. 1961. Signification de quelques aberrations phyllotaxiques induites chez les Dipsacacées. Bull. Soc. Bot. France108: 92–101.

    Google Scholar 

  590. Vlitos, A. J., andMeudt, W. 1957. The effect of light and the shoot apex on the action of gibberellic acid. Contr. Boyce Thomp. Inst. Plant Res.19: 55–62.

    Google Scholar 

  591. Voeller, B. R., andCutter, E. G. 1959. Experimental and analytical studies of pteridophytes. XXXVIII. Some observations on spiral and bijugate phyllotaxis in Dryopteris aristata Druce. Ann. Bot. N. S.23: 391–396.

    Google Scholar 

  592. Wada, K. 1961. Studies on the flower initiation of spring wheat in sterile culture. I. Effects of photoperiods and photo-sensitive growth stage. Bot. Mag. Tokyo74: 236–240.

    Google Scholar 

  593. Wallenstein, A., andAlbert, L. S. 1963. Plant morphology: its control in Proserpinaca by photoperiod, temperature and gibberellic acid. Science140: 998–1000.

    Article  PubMed  Google Scholar 

  594. Ward, M., andWetmore, R. H. 1954. Experimental control of development in the embryo of the fern Phlebodium aureum. Amer. Jour. Bot.41: 428–434.

    Article  Google Scholar 

  595. Wardlaw, C. W. 1943a. Experimental and analytical studies of pteridophytes. I. Preliminary observations on the development of buds on the rhizome of the ostrich fern (Matteuccia struthiopteris Tod.) Ann. Bot. N. S.7: 171–184.

    Google Scholar 

  596. —. 1943b. Experimental and analytical studies of pteridophytes. II. Experimental observations on the development of buds in Onoclea sensibilis and in species of Dryopteris. Ann. Bot. N. S.7: 357–377.

    Google Scholar 

  597. —. 1944. Experimental and analytical studies of pteridophytes. III. Stelar morphology: the initial differentiation of vascular tissue. Ann. Bot. N. S.8: 173–188.

    Google Scholar 

  598. —. 1945a. An experimental treatment of the apical meristem in ferns. Nature156: 39–41.

    Article  Google Scholar 

  599. —. 1945b. Experimental and analytical studies of pteridophytes. VI. Stelar morphology: the occurrence of reduced and discontinuous vascular systems in the rhizome ofOnoclea sensibilis. Ann. Bot. N. S.9: 383–397.

    Google Scholar 

  600. —. 1946. Experimental and analytical studies of pteridophytes. VIII. Further observations on bud development inMatteuccia struthiopteris, Onoclea sensibilis and species of Dryopteris. Ann. Bot. N. S.10: 117–132.

    Google Scholar 

  601. —. 1947. Experimental investigations of the shoot apex ofDryopteris aristata Druce. Phil. Trans. B.232: 343–384.

    Article  Google Scholar 

  602. —. 1948. Experimental and analytical studies of pteridophytes. XIII. On the shoot apex in a tree fern,Cyathea Manniana Hooker. Ann. Bot. N. S.12: 371–384.

    Google Scholar 

  603. —. 1949a. Further experimental observations on the shoot apex ofDryopteris aristata Druce. Phil. Trans. B.233: 415–451.

    Article  Google Scholar 

  604. —. 1949b. Experimental and analytical studies of pteridophytes. XIV. Leaf formation and phyllotaxis inDryopteris aristata Druce. Ann. Bot. N. S.13: 163–198.

    Google Scholar 

  605. —. 1949c. Experiments on organogenesis in ferns. Growth (suppl.)13: 93–131.

    Google Scholar 

  606. —. 1949d. Phyllotaxis and organogenesis in ferns. Nature164: 167–169.

    Article  Google Scholar 

  607. —. 1950a. The comparative investigation of apices of vascular plants by experimental methods. Phil. Trans. B.234: 583–604.

    Article  Google Scholar 

  608. —. 1950b. Experimental and analytical studies of pteridophytes. XVI. The induction of leaves and buds inDryopteris aristata Druce. Ann. Bot. N. S.14: 435–455.

    Google Scholar 

  609. —. 1951a. Organization in plants. Phytomorph.1: 22–29.

    Google Scholar 

  610. —. 1951b. Comparative morphogenesis in pteridophytes and spermatophytes by experimental methods. New Phytol.50: 127–134.

    Article  Google Scholar 

  611. —. 1952a. Morphogenesis in Plants. 176 pp. Methuen, London.

    Google Scholar 

  612. —. 1952b. Phylogeny and Morphogenesis. 536 pp. Macmillan, London.

    Google Scholar 

  613. —. 1952c. Experimental and analytical studies of pteridophytes. XVIII. The nutritional status of the apex and morphogenesis. Ann. Bot. N. S.16:207–218.

    Google Scholar 

  614. —. 1952d. The effect of isolating the apical meristem inEchinopsis, Nuphar, Gunnera and Phaseolus. Phytomorph.2: 240–242.

    Google Scholar 

  615. —. 1953a. Comparative observations on the shoot apices of vascular plants. New Phytol.52: 195–209.

    Article  Google Scholar 

  616. —. 1953b. Experimental and analytical studies of pteridophytes. XXIII. The induction of buds inOphioglossum vulgatum L. Ann. Bot. N. S.17: 513–527.

    Google Scholar 

  617. —. 1953c. Action of tri-iodobenzoic and trichlorobenzoic acids in morphogenesis. New Phytol.52: 210–217.

    Article  CAS  Google Scholar 

  618. —. 1953d. A commentary on Turing’s diffusion-reaction theory of morphogenesis. New Phytol.52: 40–47.

    Article  Google Scholar 

  619. —. 1954. Experimental and analytical studies of pteridophytes. XXVI.Ophioglossum vulgatum: comparative morphogenesis in embryos and induced buds. Ann. Bot. N. S.18: 397–406.

    Google Scholar 

  620. —. 1955a. Embryogenesis in Plants. 381 pp. Methuen, London.

    Google Scholar 

  621. —. 1955b. Evidence relating to the diffusion-reaction theory of morphogenesis. New Phytol.54: 39–48.

    Article  Google Scholar 

  622. —. 1955c. Experimental investigation of leaf formation, symmetry and orientation in ferns. Nature175: 115–117.

    Article  Google Scholar 

  623. —. 1955d. Experimental and analytical studies of pteridophytes. XXVIII. Leaf symmetry and orientation in ferns. Ann. Bot. N. S.19: 389–399.

    Google Scholar 

  624. —. 1955e. Responses of a fern apex to direct chemical treatments. Nature176: 1098–1100.

    Article  CAS  Google Scholar 

  625. —. 1956a. A note on the effect of isolating the fern shoot apex by shallow incisions. Phytomorph.6: 55–63.

    Google Scholar 

  626. —. 1956b. Generalizations on the apical meristem. Nature178: 1427–1429.

    Article  Google Scholar 

  627. —. 1956c. Experimental and analytical studies of pteridophytes. XXXII. Further investigations on the effect of undercutting fern leaf primordia. Ann. Bot. N. S.20: 121–132.

    Google Scholar 

  628. —. 1957a. On the organization and reactivity of the shoot apex in vascular plants. Amer. Jour. Bot.44: 176–185.

    Article  Google Scholar 

  629. —. 1957b. The floral meristem as a reaction system. Proc. Roy. Soc. Edinb. B.66: 394–408.

    Google Scholar 

  630. —. 1957c. Experimental and analytical studies of pteridophytes. XXXVII. A note on the inception of microphylls and macrophylls. Ann. Bot. N. S.21: 427–437.

    Google Scholar 

  631. —. 1957d. Experimental and analytical studies of pteridophytes. XXXV. The effects of direct applications of various substances to the shoot apex ofDryopteris austriaca (D. aristata). Ann. Bot. N. S.21: 85–120.

    Google Scholar 

  632. —. 1957e. The reactivity of the apical meristem as ascertained by cytological and other techniques. New Phytol.56: 221–229.

    Article  Google Scholar 

  633. —. 1959. Methods in plant morphogenesis. Jour. Linn. Soc. (Bot.)56: 154–160.

    Google Scholar 

  634. -. 1961. The inception of shoot organization. In: Recent Advances in Botany: 816–820. Univ. Toronto Press.

  635. —. 1963a. Experimental investigations of floral morphogenesis in Petasites hybridus. Nature198: 560–561.

    Article  Google Scholar 

  636. —. 1963b. Apical organization and differential growth in ferns. Jour. Linn. Soc. (Bot.)58: 385–400.

    Google Scholar 

  637. —. 1964. Gibberellic acid and flowering inPetasites hybridus. Nature202: 575–577.

    Article  CAS  Google Scholar 

  638. —. 1965a. The organization of the shoot apex. Encyc. Plant Physiol.15: 966–1076. (in the press).

    Google Scholar 

  639. —. 1965b. Organization and Evolution in Plants. Longmans, Green & Co. London.

    Google Scholar 

  640. —, andCutter, E. G. 1954. Effect of deep and shallow incisions on organogenesis at the fern apex. Nature174: 734–735.

    Article  Google Scholar 

  641. ——, 1955. Experimental and analytical studies of pteridophytes. XXX. Further investigations of the formation of buds and leaves inDryopteris aristata Druce. Ann. Bot. N. S.19: 515–526.

    Google Scholar 

  642. —— 1956. Experimental and analytical studies of pteridophytes. XXXI. The effect of shallow incisions on organogenesis inDryopteris aristata Druce. Ann. Bot. N. S.20: 39–56.

    Google Scholar 

  643. —, andMitra, G. C. 1958. The response of the shoot apex ofDryopteris aristata (Vill.) Druce and of “detached” meristems ofOnoclea sensibilis L. andMatteuccia struthiopteris Tod. to physiologically-active substances. Bull. Bot. Soc. Beng.12: 63–84.

    Google Scholar 

  644. —, andSharma, D. N. 1963. Experimental and analytical studies of pteridophytes. XL. Factors in the formation and distribution of sori in leptosporangiate ferns. Ann. Bot. N. S.27: 101–121.

    Google Scholar 

  645. Wareing, P. F. 1953a. Experimental induction of male cones inPinus sylvestris. Nature171: 47.

    Article  Google Scholar 

  646. —. 1953b. Growth studies in woody species. V. Photoperiodism in dormant buds ofFagus sylvatica L. Physiol. Plant.6: 692–706.

    Article  Google Scholar 

  647. —. 1954. Growth studies in woody species. VI. The locus of photoperiodic perception in relation to dormancy. Physiol. Plant.7: 261–277.

    Article  Google Scholar 

  648. —. 1956. Photoperiodism in woody plants. Ann. Rev. Plant Physiol.7: 191–214.

    Article  CAS  Google Scholar 

  649. —. 1958. Reproductive development in Pinus sylvestris. In:Thimann, K.V. W. B. Critchfield andM. H. Zimmerman [eds.] The Physiology of Forest Trees: 643–654. Ronald Press Co., New York.

    Google Scholar 

  650. —. 1959. Problems of juvenility and flowering in trees. Jour. Linn. Soc. (Bot.)56: 282–289.

    Google Scholar 

  651. —, andNasr, T. 1958. Gravimorphism in trees. Effects of gravity on growth, apical dominance and flowering in fruit trees. Nature182: 379–380.

    Article  Google Scholar 

  652. ——. 1961. Gravimorphism in trees. I. Effects of gravity on growth and apical dominance in fruit trees. Ann. Bot. N. S.25: 321–340.

    Google Scholar 

  653. Waris, H. 1959. Neomorphosis in seed plants induced by amino acids. I.Oenanthe aquatica. Physiol. Plant.12: 753–766.

    Article  Google Scholar 

  654. —. 1962. Neomorphosis in seed plants induced by amino acids. II.Oenanthe lachenalii. Physiol. Plant.15: 736–752.

    Article  CAS  Google Scholar 

  655. Watanabe, R., andStutz, R. E. 1960. Effect of gibberellic acid and photoperiod on indoleacetic acid oxidase inLupinus albus L. Plant Physiol.35: 359–361.

    PubMed  CAS  Google Scholar 

  656. Weaver, R. J. 1963. Use of kinin in breaking rest in buds ofVitis vinifera. Nature198: 207–208.

    Article  Google Scholar 

  657. Webster, B. D., andSteeves, T. A. 1958. Morphogenesis inPteridium aquilinum (L.) Kuhn. General morphology and growth habit. Phytomorph.8: 30–41.

    Google Scholar 

  658. Wellensiek, S. J. 1962. Dividing cells as the locus for vernalization. Nature195: 307–308.

    Article  Google Scholar 

  659. Wetherell, D. F., andHalperin, W. 1963. Embryogenesis in callus tissue culture of wild carrot. [Abs.] Amer. Jour. Bot.50: 619.

    Google Scholar 

  660. Wetmore, R. H. 1953a. Tissue and organ culture as a tool for studies in development. Proc. VII Int. Bot. Congr. [Stockholm]: 369–370. (1950).

  661. —. 1953b. Carbohydrate supply and leaf development in sporeling ferns. Science118: 578.

    Google Scholar 

  662. —. 1954. The use of “in vitro” cultures in the investigation of growth and differentiation in vascular plants. Brookhaven Symp. Biol.6: 22–40.

    Google Scholar 

  663. -. 1956. Growth and development in the shoot system of plants.In: Rudnick, D. [ed.] Cellular Mechanisms in Differentiation and Growth: 173–190. 14th Symp. Soc. Study Dev. & Growth. Princeton.

  664. —. 1959. Morphogenesis in plants—a new approach. Amer. Sci.47: 326–340.

    Google Scholar 

  665. -,Gifford, E. M., Jr., andGreen, M. C. 1959. Development of vegetative and floral buds.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 255–273. Washington.

  666. —, andMorel, G. M. 1949. Growth and development ofAdiantum pedatum L. on nutrient agar [Abs.] Amer. Jour. Bot.36: 805–806.

    Google Scholar 

  667. —,Nitsch, J. P., andMorel, G. M. 1954. The contribution of in vitro culture techniques to an interpretation of the shoot apical meristem. Proc.VIII Int. Bot. Congr. [Paris] Sec. 7 &8: 270–271.

    Google Scholar 

  668. —, andPratt, C. 1949. The growth and auxin relations of leaves of the maidenhair fern,Adiantum pedatum L. [Abs.]. Amer. Jour. Bot.36: 806.

    Google Scholar 

  669. —, andSorokin, S. 1955. On the differentiation of xylem. Jour. Am. Arb.36: 305–317.

    Google Scholar 

  670. —, andWardlaw, C. W. 1951. Experimental morphogenesis in vascular plants. Ann. Rev. Plant Physiol.2: 269–292.

    Article  CAS  Google Scholar 

  671. White, R. A. 1963. The effect of protein synthesis inhibitors on morphogenesis inMarsilea. [Abs.]. Amer. Jour. Bot.50: 623–624.

    Google Scholar 

  672. -. 1965. The morphological effects of protein synthesis inhibition inMarsilea. Amer. Jour. Bot. [In press]

  673. Wickson, M., andThimann, K. V. 1958. The antagonism of auxin and kinetin in apical dominance. Physiol. Plant.11: 62–74.

    Article  CAS  Google Scholar 

  674. ——. 1960. The antagonism of auxin and kinetin in apical dominance. II. The transport of IAA in pea stems in relation to apical dominance. Physiol. Plant.13: 539–554.

    Article  CAS  Google Scholar 

  675. Williams, I. H. 1961. Treatment of hops (Humulus lupulus, L.) with gibberellic acid. Effect on growth and development. Nature191: 361–362.

    Article  Google Scholar 

  676. Wittwer, S. H., and Bukovac, M. J. 1958. The effects of gibberellin on economic crops. Econ. Bot.12: 213–255.

    CAS  Google Scholar 

  677. -, and -. 1959. Effects of gibberellin on the photoperiodic responses of some higher plants.In: Withrow, R. B. [ed.] Photoperiodism and Related Phenomena in Plants and Animals: 373–380. Washington.

  678. Wöhrmann, K. 1960. Vergleichende Untersuchungen über das photoperiodische Verhalten diund autotetraploider Stämme vonTrifolium incarnatum L. Naturwiss.47: 238.

    Article  Google Scholar 

  679. Wycherley, P. R. 1954. Vegetative proliferation of floral spikelets in British grasses. Ann. Bot. N. S.18: 119–127.

    Google Scholar 

  680. Zeevaart, J. A. D. 1962a. Physiology of flowering. Science137: 723–731.

    Article  PubMed  CAS  Google Scholar 

  681. —. 1962b. DNA multiplication as a requirement for expression of floral stimulus inPharbitis nil. Plant Physiol.37: 296–304.

    Article  PubMed  CAS  Google Scholar 

  682. —. 1963. Climatic control of reproductive development.In:Evans, L. T. [ed.] Environmental Control of Plant Growth, 289–310. Academic Press, New York and London.

    Google Scholar 

  683. —, andLang, A. 1962. The relationship between gibberellin and floral stimulus inBryophyllum daigremontianum. Planta58: 531–542.

    Article  Google Scholar 

  684. ——. 1963. Suppression of floral induction inBryophyllum daigremontianum by a growth retardant. Planta59: 509–517.: 465–466.

    Article  CAS  Google Scholar 

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  1. Elizabeth G. Cutter

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Cutter, E.G. Recent experimental studies of the shoot apex and shoot morphogenesis. Bot. Rev 31, 7–113 (1965). https://doi.org/10.1007/BF02858617

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