Lyon : THE EMBRYOGENY OF GINGKO. 287 



Hirase, S. '97. Untersuehungen iiber das Verhalten des Pollens von 



Ginkgo biloba. Bot. Cent., 69: 33-35. 

 Hirase, S. '98. Etudes sur la fecondation et 1'embryogenie du 



Ginkgo biloba (second memoire). Journ. Coll. Sci. Imp. Univ. 



Tokyo, 12 : 103-149. 

 Ikeno, S. '96. The spermatozoid of Cycas revoluta. Bot. Mag. 



Tokyo, IO: 367-368. 

 Ikeno, S. '97 Vorlaufige Mittheilung iiber die Spermatozoiden bei 



Cycas revoluta. Bot. Cent. 69: 1-3. 

 Ikeno, S. 1901. Contribution a 1'etude tie la fecondation chez le 



Ginkgo biloba. Ann. Sci. Nat. Bot., VIII., 13: 305-318. 

 Ikeno and Hirase. '97. Spermatozoids in Gymnosperms. Ann. of 



Bot. ii : 344-345- 

 Lang, W. H. 1900. Studies in the development and morphology of 



cycadean sporangia. The ovule of Stangeria paradoxa. Ann. 



of Bot., 14: 281-306. 



Le Maout and Descaisne. '76. Traite de Botanique. 

 Masters, M. T. '91. Review of some points in the comparative 



morphology, anatomy and life-history of the coniferae. Journ. 



Linn. Soc. 27: 226-332. 

 Miyake, K. '98. On the spermatozoid of Ginkgo. Bot. Mag. 



Tokyo, 12: 333-339. 

 Miyake, K. 1902. The spermatozoid of Ginkgo. Journ. Applied 



Micros., 5 : 1773-1780. 

 Seward, A. C. and Gowan, Miss J. 1900. The maidenhair tree 



(Ginkgo biloba}. Ann. of Bot. 14: 109-154. 

 Strasburger, E. '72. Die Coniferen und die Gnetaceen. 

 Van Tieghem, Ph. '70. Recherches sur la symmetric de structure des 



plantes vasculaires. Ann. Sci. Nat. Bot. V, 13: 15-314. 

 Van Tieghem, Ph. '87. Sur le second bois primare de la racine. 



Bull. Soc. Bot. de France, 34: 101-105. 

 Van Tieghem, Ph., and Douliot, H. '88. Recherches comparatives 



sur 1'origine des membres endogenes dans les plantes vasculaires. 



Ann. Sci. Nat. Bot. VII., 8: 1-660. 

 Webber, H. J. '97. * Peculiar structures occuring in the pollen-tube 



of Zamia. Bot. Gazette, 23 : 453-458. 

 Webber, H. J. '97. 2 The development of the antherozoids of Zamia. 



Bot. Gazette, 24: 16-22. 

 Webber, H. J. '97. 3 Notes on the fecundation of Zamia and the 



pollen-tube apparatus of Ginkgo. Bot. Gazette, 24: 225-235. 

 Webber, H. J. 1901. Spermatogenesis and fecundation of Zamia. 

 Bureau of Plant Industry, Bulletin No. 2. 



