1915] Goodspeed: Inheritance in Nicotiana Ilijhrids 231 



LITERATURE CITED 



Castle, W. E. 



1915. Bateson's address, Mendelism and Mutation, Science, N. S., vol. XLI, 

 No. 1046, January, 1915. 



Goodspeed, T. H. 



1912. Quantitative studies of inheritance in Nicotiana hybrids, Univ. Calif. 



Publ. Botany, vol. 5, No. 2, 1912. 



1913. Quantitative studies of inheritance in Nicotiana hybrids, II, ibid., 



vol. 5, No. 3, 1913, in press, American Journal of Botany, vol. 2. 



Goodspeed, T. H., and Clausen, E. E. 



1915. Factors influencing flower-size in Nicotiana with special reference to 

 questions of inheritance. 



Shull, G. H. 



1914. Duplicate genes for capsule-form in Bur.'>a hursa-pastoris, Zeitschr. f. 



ind. Abstamm.-u. Vererb., Bd. XII, H. 2, 1914. 



