132 BOTANICAL GAZETTE [august 



LITERATURE CITED 



1. Banta, Arthur M., Sex intergrades in a species of Crustacea. Proc. 

 Nat. Acad. Sci. 2:578-583. 1916. 



2. Bartlett, H. H., On gynodioecism in Plantago lanceolata. Rhodora 

 13:199-206. 1911. 



3. , Inheritance of sex forms in Plantago lanceolata. Rhodora 15: 



173-178. 1913. 



4. Correns, C, Die Vererbung der geschlechtsformen bei den gynodioe- 

 cischen Pflanzen. Ber. Deutsch. Bot. Gesells. 24:459-474. 1906. 



5. , Zur Kenntnis der geschlechtsformen polygamer Bliitenpilanzen 



und ihrer Beeinfiussbarkeit. Jahrb. Wiss. Bot. 44:124-173. 1907. . 



6. Darwin, Charles, On the sexual relations of the three forms of Ly thrum 

 Salicaria. Jour. Linn. Soc. 8:169-196. 1865. 



7. , Forms of flowers. 1877. 



8. Davey, A. J., and Gibson, C. M., Note on the distribution of sexes in 

 Myrica Gale. New Phytol. 16:147-151. 1917. 



9. Gates, R. R., and Goodspeed, T. H., Pollen sterility in relation to cross- 

 ing. Science 43:859-861. 1916. 



10. Geddes, p., and Thomson, J. A., The evolution of sex. 1889. 



11. GoLDSCHMiDT, RiCHARD, A preliminary report on further experiments 

 in inheritance and determination of sex. Proc. Nat. Acad. Sci. 2:53-58. 

 1916. 



12. , Experimental intersexuality and the sex-problem. Amer. Nat. 



50:705-718. 1916. 



13. , A further contribution to the theory of sex. Jour. Exp. Zoology 



22:593-611. 1917. 



14. Jeffrey, E. C, The mutation myth. Science 39:488-491. 1914. 



15. , Spore conditions in hybrids and the mutation hypothesis of 



De Vries. Bot. Gaz. 58:322-336. 1914. 



16. , Some fundamental morphological objections to the mutation 



theory of De Vries. Amer. Nat. 49:5-21. 1915. 



17. Lillie, Frank R., Sex-determination and sex-diflferentiation in mammals. 

 Proc. Nat. Acad. Sci. 3:464-470. 1917. 



18. , The free-martin: a study of the action of sex-hormones in the 



foetal life of cattle. Jour. Exp. Zoology 23:371-452. 1917. 



19. LuDWiG, F., Uber die Bliitenformen von Plantago lanceolata L. und die 

 Erscheinung der Gynodiocie. Bot. Centralbl. 1:331-333. 1880. 



20. MacMillan, Conway, Proceedings Madison Botanical Congress. 1894 



(P- 35)- 



21. Pellew, Caroline, Types of segregation. Jour. Genetics 6:317-339. 



1917. 



22. Riddle, Oscar, The control of the sex-ratio. Jour. Wash. Acad. Sci. 

 7:319-356. 1917. 



