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Indiana University Studies 



9. Beitrage zur Kenntniss der Kerntheilung in den Pollenmutterzellen 

 einiger Dikotylen und Monokotylen. Jahrb. fur wiss. Bot., XXX, pp. 

 169-204, 6 plates. 1897. 



10. Ueber das Verhalten der Kerne bei der Entwickelung des Embryosacks 



und die Vorgange bei der Befruchtung. Jahrb. fur wiss. Bot., XXXI, 

 pp. 125-158, 3 plates. 1897. 



11. Ueber den zweiten Theilungsschritt in Pollenmutterzellen. (Joint 



author with Edouard Strasburger.) Ber. der Deutsch. Bot. Gesell- 

 schaft, XV, pp. 327-332, 1 plate. 1897. 



12. Ueber die Chromosomenzahl bei der Entwickelung der Pollenkorner 



von Allium. Ber. der Deutsch. Bot. Gesellschaft, XV, p. 474. 1897. 



13. Das Centrosom bei Dictyota. Ber. der Deutsch. Bot. Gesellschaft, 



XVI, pp. 123-128. 1898. 



14. The centrosome in cells of the gametoplryte of Marchantia. Proc. 



Ind. Acad. Sci. for 1898. 1899. 



15. Endosperm haustoria of Lilium candidum. Proc. Ind. Acad. Sci. for 



1898. 1899. 



16. Nuclear division in vegetative cells. Proc. Ind. Acad. Sci. for 1898. 



1899. 



17. The effect of centrifugal force upon the cell. Ann. Bot., XIII, pp. 



325-361, 1 plate. 1899. 



18. Nuclear and cell division in Dictyota dichotoma. Ann. Bot., XIV, pp. 



163-192, 2 plates. 1900. 



19. A practical laboratory guide for the first year in botany. Bloomington, 



Ind., last ed., 1920, pp. 84. 1902. 



20. The behavior of the chromosomes in the spore mother-cells of higher 



plants and the homology of the pollen and embryo-sac mother cells. 

 Bot. Gaz., XXXV, pp. 250-282, 4 plates. 1903. 



21. The development of the spermatozoid of Chara. Ann. Bot., XVIII, 



1 plate. 1904. 



22. Further studies on anomalous dicotyledonous plants. Proc. Ind. 



Acad. Sci. for 1903, p. 139. 1904. 



23. Fecundation in plants. Carnegie Institution of Washington, Publ. 



No. 15, pp. iv, 187. 1904. 



24. The embryology of some anomalous dicotyledons. Ann. Bot., IX, 



pp. 447-463, 4 plates. 1904. 



25. The development of the heterotypic chromosomes in pollen mother-cells. 



Ann. Bot,, XXI, pp. 309-347, 4 plates. 1907. 



26. The history and control of sex. Proc. Ind. Acad. Sci. for 1907, pp. 



28-47. 1908. 



27. The present status of the chromosome controversy. Proc. Ind. Acad. 



Sci. for 1905, pp. 205-206. 1906. 



28. The blooming of Cercis canadensis in September. Proc. Ind. Acad. 



Sci. for 1905, p. 207. 1906. 



