LITERATURE CITED. 
(1) Anonymous. 
[1879?] Griinkorn. In Thiel's Landw. Konversations Lexikon, Bd. 4, p. 616. 
Berlin. 
(2) Babcock, F. Ray. 
1915. Cereal experiments at the Williston substation. U.S. Dept. Agr. Bui. 
270, 36 p., 11 fig. 
(3) Bergh, 0. I. 
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(4) Breithaupt, L. R. 
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Exp. Sta. Bui. 150, 46 p., 15 fig. 
(5) Candolle, Alphonse de. 
1886. Origin of cultivated plants. Ed. 2. viii, 468 p. London. Biblio- 
graphical footnotes. 
(6) Cardon, P. V. 
1913. Cereal investigations at the Nephi substation. U. S. Dept. Agr. Bui. 
30, 50 p., 9 fig. 
(7) Carleton, Mark Alfred. 
1901. Emmer: A grain for the semiarid regions. U. S. Dept. Agr. Farmers' 
Bui. 139, 16 p., 3 fig. 
<8) 1911. Winter emmer. U. S. Dept. Agr. Farmers' Bui. 466, 24 p., 8 fig. 
(9) Chamberlain, Joseph S. 
1909. The feeding value of cereals as calculated from chemical analvses. 
U. S. Dept. Agr., Bur. Chem. Bui. 120, 64 p. 
(10) Champlin, Manley, and Morrison, J. D. 
1918. Emmer in South Dakota. S. Dak. Agr. Exp. Sta. Bui. 179, p. 814-823. 
(11) Clark, J. Allen. 
1914. Cereal experiments at Dickinson, W. Dak. 17. S. Dept. Agr. Bui. 33, 
44 p., 7 fig., 1 pi. 
{12) Martin, John H., and Ball, Carleton R. 
1922. Classification of American wheat varieties. U. S. Dept. Agr. Bui. 1074, 
238 p., 76 fig., 60 pi. Literature cited, p. 219-230. 
(13) Columella, L. Junius Moderatus. 
1745. Of husbandry ... transl. into English, with several illustrations from 
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xxvii, 600 p. London. 
(14) Cory, Victor L. 
1912. Cooperative grain investigations at McPherson, Kans., 1904-1909. 
U. S. Dept. Agr., Bur. Plant Indus. Bui. 240, 22 p. 
(15) 1916. Progress report, Texas substation No. 6, Denton, Tex., 1909-1914. 
Tex. Agr. Exp. Sta. Bui. 199, 18 p., 3 fig. 
(16) Donaldson, N. C. 
1916. Cereal experiments at the Judith Basin substation, Moccasin, Mont. 
U. S. Dept. Agr. Bui. 398, 41 p., 17 fig. 
(17) Hauptfleisch, P. 
1903. Die Spelzweisen. In Landw. Versuchs-Sta., Bd. 58, p. 65-136, 29 
fig. Bibliographical footnotes. 
(18) Hayes, H. K., Parker, John H., and Kurtzweil, Carl. 
1920. Genetics of rust resistance in crosses of varieties of Triticum vulgare 
with varieties of T. durum and T. dicoccum. In Jour. Agr. Re- 
search, v. 19, p. 523-542, pi. 97-102. Literature cited, p. 541-542. 
59274— 24— Bull. 1197 5 57 
