314 BREEDING CROP PLANTS 



RUSSELL, H. L., and MORRISON, F. B., 1919. Service to Wisconsin. Wis. 



Agr. Exp. Sta., Bull. 302, 35 pp. 

 SAGERET, A. 1826. Considerations sur la production des hy brides, des vari- 



antes et des varietes en general, et sur celles de la famille des Cucur- 



bitacees en particulier. . Ann. d. Sci. Nat., 8: 294-314. 

 SALAMAN, R. N., 191011. The inheritance of color and other characters 



in the potato. Jour. Genetics, 1 : 7-46. 



1912-13. A lecture on the hereditary characters in the potato. 



Jour. Roy. Hort. Soc., 38: 34-39. 



1909-11. Male sterility in potatoes, a dominant Mendelian character; 



with remarks on the shape of the pollen in wild and domestic varieties. 



Jour. Linnean Soc., 39: 301-312. 



1911 (1913). Studies in potato breeding. Int. Conf. de Genetique, 



4 : 373-375. 

 SALMON, CECIL, 1914. Sterile florets in wheat and other cereals. Jour. 



Am. Soc. Agron., 6: 24-30. 

 SAUNDERS, C. E., 1905. A natural hybrid in wheat. Proc. Amer. 



Breeders' Assoc., 1: 137-138. 



1912. Marquis wheat. Exp. Farms' Rept., Ottawa, Canada, pp. 



118-120. 

 SCOTT, W. B., 1917. The theory of evolution. The Macmillan Co., 



New York, 183 pp. 

 SETCHELL, W. A., 1912. Studies in Nicotiana. 1. Un v. Calif. Pub. in 



Bot., 5: 1-86. 

 SHAMEL, A. D., and COBBY, W. W., 1907. Tobacco breeding. U. S. Dept. 



Agr., Bur. Plant Indust., Bull. 96, 71 pp. 



1910. Tobacco breeding. Am. Breeders' Assoc. Rept., 6: 268-275. 

 SHAMEL, A. D., SCOTT, L. B., and POMEROY, C. S , 1918. Citrus- 

 fruit improvement: A study of bud variation in the Washington 



navel orange. U. S. Dept. of Agr., Bull. 623, 146 pp. 



1918. Citrus-fruit improvement: A study of bud variation in the 



Valencia orange. U. S. Dept. of Agr., Bull. 624, 120 pp. 



1918. Citrus-fruit improvement: A study of bud variation in the 

 Marsh grapefruit. U. S. Dept. of Agr., Bull. 697, 112 pp. 



1919. Origin of a new and improved French prune variety. Jour. 

 Heredity, 10:339-343. 



SHAW, H. B., 1916. Self-, close-, and cross-fertilization of beets. Mem. 



of N. Y. Bot. Gard., 6: 149-152. 

 SHAW, J. K., and NORTON, J. B., 1918. The inheritance of seed-coat color 



in garden beans. Massachusetts Agr. Exp. Sta., Bull. 185: 59-104. 

 SHULI-, G. H., 1908. The composition of a field of maize. Am. Breeders' 



Assoc. Rept., 4: 296-301. 



1909. A pure line method of corn breeding. Am. Breeders' Assoc. 



Rept., 5: 51-59. 



1915. Genetic definitions in the new standard dictionary. Amer. 



Nat., 59: 52-59. 

 SMITH, L. H., 1912. Occurrence of natural hybrids in wheat. Proc. Am. 



Breeders' Assoc., Rept. 7 & 8: 412-414. 

 So, M., and IMAL, Y., 1918. On the xenia of the barley. Bot. Mag., 



Tokyo, 32:205-214. 





