62 BULLETTX 618, U. S. DEPARTMENT OF AGEICVLTrEE. 
Clark. J. A. 
1914. Cereal experiments at Dickinson, X. Dak. U. S. Dept. Aer. Bui. 33, p. 
14-18. 
1916. Improvement of Ghirka sprins: wheat in yield and quality. TJ. S. Dept. 
Agr. Bui. 450, 19 p., 7 fig. 
Clark, V. A. 
1905. Durum wheats. In Ariz. Agr. Exp. Sta. 16th Ann. Rpt. [1904] 05, p. 14. 
Cole, J. S.. and Balz. Sylvester. 
1906. Cereal investigations at Highmore. In S. Dak. Agr. Exp. Sta. Bui. 96. p. 
47-51. 
Cory. V. L. 
1912. Cooperative erain investigations at McPherson, Kans., 1904-1909. U. S. 
Dept. Agr^, Bur. Plant Indus. Bui. 240, p. IS. 
Delwiche, E. J., and Letts:, B. D. 
1913. Wheat growing in Wisconsin. Wis. Agr. Exp. Sta. Bui. 233, p. 18-22. 
Doxaldsox, N. C. 
1916a. Cereal experiments at the Judith Basin substation, Moccasin, Mont. U.S. 
Dept. Agr. Bui. 398, p. 23-26. 
19161). Grains for the Montana dry lands. IT. S. Dept. Act.. Banners' Bui. 749, 
p. 14-15. 
Fairchild, D. G. 
1903. Saragolla wheat. In U. S. Dept. Agr., Bur. Plant Indus. Bui. 25, p. 9-12. 
Farrell, F. D. 
1910. Drv-land 2rains in the Great Basin. TJ. S. Dept. Agr., Bur. Plant Indus. 
Circ. 61, p. 11-12. 
Geismar, L. IS.., and Smith;, CD. 
1903. Report of the Ipper Peninsula substation tor the years 1901 and 1902. 
Mich. Agr. Exp. Sta. Spec. Bui. 20, p. 6. 
Haxey, J. G., and Elllxg, O. H. 
1904. Experiments at Fort Havs Branch Station, 1902-04. Kans. Agr, Exp. 
Sta. Bui. 12S, p. 269-270. 294. 
Harris, F. S., and Ellisox. A. D : 
1916. Dry -farming in Utah. l~tah Agr. Exp. Sta, Circ. 21, 15 p. 
and Hogexsox, J. C. 
1914. Variety tests of field crops in Utah. Utah Agr. Exp. Sta. Bui. 131, p. 
324-325, 337. 
Headdex, W. P. 
1915-16. A studv of Colorado wheat. Part I-II. Colo. Aer. Exp. Sta. Bui. 208, 
p. 33-34, 42-46, 1915; Bui. 217, p. 16-17, 1916. 
Houstox, D. F. 
" 1917. Official Grain Standards of the Lnited States for wheat. U. S. Dept. 
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11-15. 
Hume, A. X., and Champlix, Maxley. 
1913. Some varieties and strains of wheat, and their Yields in South Dakota. 
S. Dak. Agr. Exp. Sta. Bui. 146, p. 270, 277-291. 
Cexter, O. D., and Hegxauer, Leoxard. 
1908. Variety tests of wheat. 111. Agr. Exp. Sta. Bui. 121, p. 75. 
Champlix. Maxley, and Morrisox, J. D. 
1915. Winter grain in South Dakota. S. Dak. Agr. Exp. Sta. Bui. 161, p. 234-259. 
Hunt, T. F. 
190/ . The Cereals in America, p. 52-54, 62-63. Xew York and London. 
Jardixe, W. M. 
1906. Arid farming investigations. Itah Agr. Exp. Sta. Bui. 100, p. 134-138. 
1908. Dry-land grains. U. S. Dept. Agr., Bur. Plant Indus. Circ. 12, p. 8-10. 
Jones, J. W. 
1916. Cereal experiments on the Chevenne experiment farm, Archer, Wvo. 1 . S. 
Dept, Agr. Bui. 430, p. 17. 
Ktlgore, B. W., Burgess, J. L., and Meacham, F. T. 
1909. Culture of wheat and oats. In Bui. X. C. Dept. Agr., v. 30, no. 8, p. 23-30. 
Kltppart, J. H. 
1858. An essav on the oriein, °rowth. diseases, varieties, etc., of the wheat plant. 
In 12th Ann. Rpt. Ohio State Bd. Agr. 1857, p. 739, 747. 
Ladd, E. F. 
1916a. Chemical and physical constants for wheat and mill products. X. Dak. 
Agr. Exp. Sta. Bui. 114, p. 273-297. 9 fie. 
1916b. Xorth Dakota wheat for 19i6. X. Dak. Agr. Exp. Sta. Bui. 119, p. 52-55. 
