LITERATURE CITED. 



SCHLKIUK.N. M. J. CoiUiibulions u> Phylogenesis. 



Schwann. Th. Microscopical Researches, &c.. Translations, 

 Sydenham Society, XII.. London. 1847. 



Wager, H. The Nucleolus and Xuclear Division in the Koot Apex 

 ofPha^eolus. Ann. Bot., iS, 30-40, //. 5, 1904. 



Wilson, E. B. The Cell in Development ami Inheritance 

 2nd Ed., //. J03-./, 1902. 



BCtschi.i, O. Protoplasm and Microscopic Foams. Translation 

 by E. A. Minchin, London, 1894. 



HicKsoN, Sidney J. Presidential Address to the ^Manchester 

 Microscopical Society, on '• The Physical Basis of Hereditary 

 Characters." Annual Report and Transactions, 1907. 



Ya.m.vnolchi, Shigko. .Sporogenesis in Xephrodium, 1-29, pis. 1-4. 



.Spermatogenesis, Oogenesis and Fertilisation in Xephro- 

 dium. 145-175, //j. o-JT. 



Apogamy in Xephrodium. 289-318, ph. q-io. Bot. 

 (jazette, 45. 



Mother, David M. The Development of the Heterotype 

 Chromosomes in Pollen Mother-cells. Ann. Bot. 21 : 309-347, 

 pi. 3"/ -28, 1907. 



Allen, Chas. E. Xuclear Division in the Pollen Mother-cells of 

 Lilium canadensc. Ann. Bot. 19: 189-252, //j. 6-9, 1905. 



Pace, Lila. Fertilisation in Cxpvipedium. Bot. Gazette, 44: 

 353-74- pl- •/• 



Gates, R. R. A Study of Reduction in CEnothera rubrinervis. 

 Bot. Gazette, 46: 1-31. pis. i-j, 1908. 



Coulter .\nd Chamberlain. Morphology of Angiosperms. 

 pt. II. 11)04. 



Nichols, !M. Lulise. The Development of the Pollen of 

 Sarracenia. Bot. Gazette 45 : 31-37- /''■ 5- 1908. 



OvEKTON, J. B. Ueber Reduktionsteilung in den Pollen- 

 mutterzellen einiger Dikotylen. Jahrb. Wiss. Bot. 42 : 

 121-153. pis. 6-j. 1905. ' 



Nathanson, Ale.vander. Physiologische Untersuchungen iiber 

 araitotische Kerntheilung. Jahrb. Wiss. Bot. 35 : 48-80, 

 pis. 3-j, 1900. 



Ikeno, S. Die Spermatogenese von Marcliantia polymorpha. 

 Beih. Bot. Centralbl. 15 : 65-88, pi. j, 1903. 



