LITERATURE CITED. 



Collins, G. N. 



(1) 1916. Correlated characters in maize breeding. In Jour. Agr. Research, 



v. 6, No. 12, pp. 435-453, pi. 55-63. Literature cited, pp. 452-453. 



(2) 1919. Structure of the maize ear as indicated in Zea-Euchlaena hybrids. 



In Jour. Agr. Research, v. 17, No. 3, pp. 127-135, pi. 16-18. 



(3) and Kempton, J. H. 



1920. A teosinte-maize hybrid. In Jour. Agr. Research, v. 19, No. 1, pp. 

 1-38, pi. 1-7. 



(4) Cook, O. F. 



1915. Brachysm, a hereditary deformity of cotton and other plants. In 

 Jour. Agr. Research, y. 3, No. 5, pp. 387^00, pi. 53-62. 

 (5) East, E. M., and Hayes, H. K. 



1911. Inheritance in maize. Conn. Agr. Exp. Sta. Bull. 167, 142 p., 

 25 pi. Literature cited, pp. 138-142. 



Emerson, R. A. 



(6) 1912. The inheritance of certain "abnormalities" in maize. In Ann. 



Rpt. Amer. Breeders' Assoc, v. 8, pp. 385-399, 7 fig. 



(7) 1920. Heritable characters of maize. II. Pistillate-flowered maize 



plants. In Jour. Heredity, v. 11, No. 2, pp. 65-76, illus. 



(8) Gernert, Waltee Byron. 



1912. The Analysis of Characters in Corn and Their Behavior in Trans- 

 mission. 58 p., illus. References, pp. 56-58. 



(9) Hartley, C. P. 



1903. Improvement of corn by selection. U. S. Dept. Agr. Yearbook, 

 1902, pp. 539-552, pi. 71-77. 



(10) Kempton, J. H. 



1919. Inheritance of spotted aleurone color in hybrids of Chinese maize. 

 In Genetics, v. 4, No. 3, pp. 261-274. Literature cited, p. 274. 



(11) 1920. Heritable characters in maize. III. Brachytic culms. In Jour. 



• Heredity, v. 11, No. 3, pp. 111-115, fig. 10-12. 



(12) Leavitt, Robert Greenleaf. 



1909. A vegetative mutant, and the principle of homoeosis in plants. 

 In Bot. Gaz., v. 47, No. 1, pp. 30-68, 19 fig. 



Montgomery, E. G. 



(13) 1906. What is an ear of corn? In Pop. Sci. Monthly, v. 68, No. 1, pp. 



55-62, fig. 1-14. 



(14) 1911. Perfect flowers in maize. In Pop. Sci. Monthly, v. 79, No. 4, 



pp. 346-349, 6 fig. 

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