LITERATURE CITATIONS 301 



1917. Systematized plant breeding. In Seward's "Science and the 



Nation," pp. 146-175. University Press, Cambridge. 

 BOLLEY, H. L., 1901. Flax wilt and flax sicksoil. North Dakota Agr. Exp. 



Sta., Bull. 50: 27-57. 



1903. Flax and flax seed selection. North Dakota Agr. Exp. Sta., 



Bull. 55: 171-198. 



1909. Some results and observations noted in breeding cereals in a 



specially prepared disease garden. Proc. Amer. Breeders' Assoc., 5: 



177-182. 

 BRAND, C. J., 1911. Grimm alfalfa and its utilization in the Northwest. 



U. S. Dept. Agr., Bur. Plant Indust., Bull. 209, 66 pp. 

 BURKHOLDER, W. H., 1918. The production of an anthracnose-resistant 



white marrow bean. Phytopath. 8 : 353-359. 

 CAPORN, A. ST. CLAIR, 1918. An account of an experiment to determine the 



heredity of early and late ripening in an oat cross. Jour. Genetics, 



7 : 247 - 257. 

 CARLETON, M. A., 1916. The small grains. The Macmillan Co., New 



York, 699 pp. 

 CARRIER, LYMAN, 1919. A reason for the contradictory results in corn 



experiments. Jour. Amer. Soc. Agron., 11: 106-113. 

 COE, H. S., 1918. Origin of the Georgia and Alabama varieties of velvet 



bean. Jour. Amer. Soc. Agron., 10: 175-179. 

 COLLINS, G. N., 1909. The importance of broad breeding in corn. U. S. 



Dept. Agr., Bur. Plant Indust., Bull. 141: 31-44. 



1910a. The value of first-generation hybrids in corn. U. S. Dept. Agr., 



Bur. Plant Indust., Bull. 191, 45 pp. 



19106. Increased yields of corn from hybrid seed. Yearbook of 



U. S. Dept. of Agr. for 1910 : 319-328. 



1912. The origin of maize. Jour. Washington Acad. of Sci., 2 : 

 520-530. 



1917. Hybrids of Zea ramosa and Zea tunicata. Jour. Agr. Res., 

 9 : 383-395. 



COLLINS, G. N. and KEMPTON, J. H., 1911. Inheritance of waxy endo- 

 sperm in hybrids of Chinese maize. Int. Conf . de Genetique, 4 : 347-357. 



1913. Effects of cross-pollination on the size of seed in maize. In 

 Misc. Papers, U. S. Dept. Agr., Bur. Plant Indust., Cir. 124. 



1914. Inheritance of endosperm texture in sweet X waxy hybrids 

 of maize. Amer. Nat., 48 : 584-594. 



COOK, O. F. 1913. Heredity and cotton breeding. U. S. Dept. Agr., 

 Bur. Plant Indust., Bull. 256, 113 pp. 



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

 Jour. Agr. Res., 3 : 387-400. 



CORRENS, C., 1899. Untersuchungen iiber die Xenien bei Zea Mays. 



Ber. d. Deutsch. Bot. Ges., 17: 410-417. 



1901. Bastarde zwischen Maisrassen mit besonderer Beriicksichtigung 



der Xenien. Bibliotheca Botanica, 53 : 1-161. 

 CRANE, M. B., 1915. Heredity of types of inflorescence and fruits in 



tomato. Jour. Genetics, 5: 1-11. 

 CRANDALL, C. S., 1918. Apple-bud selection, apple seedlings from selected 



trees. Illinois Agr. Exp. Sta., Bull. 211: 181-264. 



