BIBLIOGRAPHY 343 



CORNER, E. J. H., 1951: The leguminous seed. Phytomorph., 1, 117. 



COULTER, J. M., 1908: The embryo sac and embryo of Gmtum gnemon. Bot. Gaz., 



46, 43. 

 COULTER, J. M. and CHAMBERLAIN, c. J., 1903: Morphology of angiosperms. New 



York. 

 COULTER, J. M. and CHAMBERLAIN, c. J., 1910: Morphology of gymnosperms. New 



York. 

 COULTER, J. M. and LAND, w. J. G., 1905: Gametophytes and embryo of Torreya 



taxifolia. Bot. Gaz., 39, 161. 

 COULTER, J. M. and LAND, w. J. G., 1914: The origin of monocotyledons. Bot. Gaz., 



57, 509. 

 COULTER, J. M. and LAND, w. J. G., 1915: The origin of monocotyledons : II. Mono- 



cotyledony in grasses. Ann. Mo. Bot. Gard., 2, 175. 

 COY, G. v., 1928 : Morphology of Sassafras in relation to phylogeny of angiosperms. 



hot. Gaz., 86, 1928. 

 CRETE, p., 1938: La polyembryonie chez le Lobelia syphilitica. L. Bull. Soc. Bot. 



France, 85, 580. 

 CRETE, p., 1949: Un cas de polyembryonie chez une Gentianacee, VErythraea 



centaiirium Pers. Bull. Soc. Bot. France, 96, 113. 

 CROCKER, w., 1938: Life-span of seeds. Bot. Rev., 4, 235. 

 CROCKER, w. and barton, l. v., 1953: The physiology of seeds. Chronica Botanica 



Co., Waltham, Mass. 

 cummings, j. m., 1945: Preliminary report on meiotic chromosomes in new Datura 



hybrids from embryos excised from incompatible crosses. Genetics, 30, 3. 

 CURTIS, J. T., 1947: Undifferentiated growth of orchid embryos on media containing 



barbiturates. Science, 105, 128. 

 CZAJA, A. TH., 1953: Polaritat und Wuchsstoff. Ber. deutsch. bot. Ges., 53, 197. 

 DAHLGREN, K. V. o., 1939: Sur la presence d'amidon dans le sac embryonnaire ches 



les angiosperms. Bot. Notiser, 221-231. 

 DALCQ, A., 1938: Form and causality in early development. Cambr. Univ. Press. 

 DALCQ, A., 1941 : Voeufet son dynamisme organisateur. Albin Michel. 

 DANiELLi, J. F., 1945: Some reflections on the forms of simpler cells. Essays on 



growth and form. Oxford Univ. Press. 

 DARLINGTON, c. D. and MATHER, K., 1949: The elements of genetics. Allen and 



Unwin, London. 

 DAVIDSON, o. w., 1934: The germination of 'non-viable' peach seeds. Proc. Amer. 



Soc. Hort. Sci., 30, 129. 

 DAVIDSON, o. w., 1935: Growing trees from 'non-viable' peach seeds. Proc. Amer. 



Soc. Hort. Sci., 32, 308. 

 DEECKE, T., 1855: Nouvelles recherches sur le developpement du Pedicularis 



sylvatica. Ann. Sci. Nat. Bot., 4, 58; also Bot. Zeit., 13. 

 DIETRICH, K., 1924: Ober Kultur von Embryonen ausserhalb das Samens. Flora, 



17, 379. 

 DOAK, c. c, 1937: Morphology of Cupressus arizonica: gametophytes and embryo- 



geny. Bot. Gaz., 98, 808. 

 DOERPiNGHAUS, s. L., 1947: Diff'erences between species of Datura in utilization of 



five carbohydrates. Amer. Jour. Bot., 34, 583. 

 DORETY, H. A., 1908: The embryo of Ceratozamia; a physiological study. Bot. 



Gaz., 45, 412. 

 DORETY, H. A., 1909: Vascular anatomy of the seedling of Microcycas calocoma. 



Bot. Gaz., 47, 139. 



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