1916] Qoodspeed-Kendall: Partial Sterility of Nicotiaua Ilijhrids 299 



LITERATURE CITED 



GOODSPEED, T. H. 



1913. On the partial sterility of Nicotiana hybrids iiia<le with N. syhesiris 

 as a parent. Univ. Calif. Publ. Bot., vol. 5, no. .5, p. 189. 



1915. Parthenogenesis, parthenocarpy and phenospermy in Nicotiana. Ibid., 



vol. 5, no. 8, p. 249. 



GooDSPEED, T. H., and Ayres, A. H. 



1916. On the partial sterility of Nicotiana hybrids made with N. sylvesti-is 



as a parent, II. Ibid., vol. .5, no. 9, p. 273. 

 GooDSPEED, T. H., and Clausen, R. E. 



1916. The nature of the Fi species hybrids between Nicotiana sylvcstris and 

 varieties of Nicotiana Tabacum, with special reference to the con- 

 ception of reaction system contracts in heredity. Ibid., vol. 5 

 (in press). 



Hannig, E. 



1913. Uutersuchungen iiber das Abstossen von Bliithen, etc. Zeitschr. Bot., 

 vol. 5, p. 417. 



