228 bulletin: 1074, u. s. department of agriculture. 



(168) Saunders, William. 



1893. Ladoga wheat. Canada Cent. Exp. Farm. Bui. 18, 14 p. 



(169) 1904. Report of the Director. In [Canada] Exp. Farms Rpts., 1903, 



p. 5-55. 



(170) Schafer, E. G., and Gaines, E. F. 



1915. Washington wheats. Wash. Agr. Exp. Sta. Bui. 121, 16 p., 2 fig. 



(171) Scherffius, W. H., and Woosley, H. 



1908. Wheat. 1. Test of varieties. 2. Chemical study of varieties. 



Ky. Agr. Exp. Sta. Bui. 135, p. 325-340, 11 pi. 



(172) Scoeield, Carl S. 



1902. The Algerian durum wheats : A classified list, with descrip- 

 tions. U. S. Dept. Agr., Bur. Plant Indus. Bui. 7, 48 p., 18 pi. 



(173) 1903. The description of wheat varieties. U. S Dept. Agr., Bur. Plant 



Indus. Bui. 47, 19 p. 7 pi. 



(174) Seringe, N. C 



1819. Monographic des Cereales de la Suisse, vi, 244 p., 1 pi. Berne, 

 Leipsic. 



(175) 1841-42. Descriptions et figures des cer§ales europeennes. In Ann. 



Sci. Phys. et Nat. Soc. Boy. d'Agr. Lyon, t. 4, p. 321-3S4, pi. 

 1-9. 1841 ; t. 5, livr. 2, p. 103-196, pi. 2-10, 1842. 



(176) Shaw, G. W., and Gaumnitz, A. J. 



1911. California white wheats. Cal. Agr. Exp. Sta. Bui. 212, p. 

 315-394, 18 fig. 



(177) Shaw, Thomas, and Zavitz, C. A. 



1892. Experiments with winter wheat. Ontario Agr. Col. Exp. Sta. 

 Bui. 79, 11 p. 



(178) 1893. Experiments with winter wheat. Ontario Agr. Col. Exp. Sta. 



Bui. 90, 13 p. 



(179) Showrds, Thomas. 



1853. [Wheat. Letter from Salem County, N» J.] In LT. S. Comr. 

 Patents Rpt, 1852, pt. 2 Agr., p. 175-178. 



(180) Smeltzer, H. R. 



1846. [Wheat. Letter from New Middleton, Frederick County, Mary- 

 land.] In LT. S. Comr. Patents Rpt., 1S45, p. 412-414. 



(181) South Africa. Union. Department of Agriculture. 



1919. Nomenclature of wheats grown in South Africa. Bui. 1, Union 

 So. Africa Dept. Agr., 15 p. 



(182) Spillman, W. J. 



1909. Application of some of the principles of heredity to plant 



breeding. U. S. Dept. Agr., Bur. Plant Indus. Bui. 165, 74 p., 

 6 fig. 



(183) 1909. The hybrid wheats. Wash. Agr. Exp. Sta. Bui. 89, 27 p., 6 fig. 



(184) Spragg, F. A., and Clark. A. J. 



1916. Red Rock wheat. Mich. Agr. Exp. Sta. Circ. 31, 7 p., 3 fig. 



