370 BOTANICAL GAZETTE [xovember 



This research was carried on under the direction of Professors 

 John M. Coulter and Charles J. Chamberlain. 



Baylor University 



Waco, Texas 



LITERATURE CITED 



1. Blackman, V. H., On fertilization^ alternation of generations, and general 

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2. , On the cytological features of fertilization and related phenomena 



in Pinus silvestris, Phil, Trans. Roy. Soc. London B 190:295-427. pis, 



12-14. ^898. 



3. Berghs, Jules, Depuis la sporogonie jusqu'au spireme definitif dansmicro- 

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4. , La microsporogenese de Convallaria maiahs. La Cellule 22:43-49- 



pis. J, 2. 1904. 



5. , La microsporogenese de Drosera robmdifolia, Nariheclum ossi- 



fragiim, et Helleborus foetidus. La Cellule 22:141-160. pis. i,2< 1904. 



6. BoVERi, Th., Zellenstudien I and III. Jena. 1887, 1890. 



6a. Bltilingame, L. L., The sporangium of the Ophioglossales. Box. Gazette 



44*34-56. pis. 3,4. 1907. 



7. Campbell, D. H., Studies on Araceae. Annals of Botany 14: 1-25. pis, i-j. 



I 



1900, 



8. , A morphological study of Naias and Zannichellia. Proc. Calif. 



Acad. Sci. III. 1:1-62. pis. 7-5, 1897, 



9. , Notes on the structure of the embryo-sac in Sparganium and Lysichi- 



ton. Box. Gazette 27:81-88. pL i, 1899. 



10. Cardiff, Ira D., A study of synapsis and reduction. Bull. Torr. Bot. 

 Club 33:271-306. pis. i2-i§. 1906. 



11. Chamberlain, Chas. J., Alternation of generations in animals from a 

 botanical standpoint. Bot. Gazette 39:137-144. 1905. 



12. , Alternation of generations in animals. Science N. S. 22:208-211. 



1905. 



13- , Contribution to the life-history of Salix. Box. Gazette 23:147* 



179. pis. 12-18. 1897. 



14- , Contribution to the life-history of Lilium philadelphicum. Bot. 



Gazette 23:423-430. pis. 33,36. 1897. 



15' , Oogenesis in Pinus Laricio. Bot. Gazette 27:268-281. pis. 4-6. 



899 



Chamberlain, Morpholog}^ of angiosperms 



17- , Op. cit. pp. 41-43. 



18- — , Op. ciL p. 138. 



19. DuMiE et Malixvaud, Un Vicia nouveau pour la flora frangaise. Bull. 

 Soc. Bot. Frguice 46:263-266. pis. 2. 1899. 



