198 University of California Publications in Botany [Vol. 5 



LITERATUKE CITED 



Bauer, E. 



1911. Einfiihrung in die experimentelle Yererbungslelire. Gebruder 



Borntraeger. Berlin. 



East, E. M. 



1912. 7?i " Heredity and Eugenics. " Univ. of Chicago Press. 



East, E. M., and Hayes, H. K. 



1912. Heterozygosis in evolution and in plant breeding. U. S. D. A. 

 Bur. PI. Ind., Bull. 243. 



GOODSPEED, T. H. 



1912. Quantitative Studies of inheritance in Nicotiana hybrids. Univ. 



of Calif. Publ. Bot., vol. 5, no. 2. 

 1913 (1). Quantitative Studies of inheritance in Nicotiana hybrids. II. 



Univ. Calif. Publ. Bot., vol. 5, no. 3. 

 (2). Notes on the germination of tobacco seed. (In press.) Univ. 



Calif. Publ. Bot., vol. 5, no. 4. 



Lock, R. H. 



1909. A preliminary survey of species crosses in the genus Nicotiatia 

 from the Mendelian standpoint. Annals of the Royal Bot. 

 Gardens, Peradeniya, 3. 



Setchell, W. a. 



1912. Studies in Nicotiana, I. Univ. Calif. Publ. Bot., vol. 5, no. 1. 



