178 PASTORAL AND AGRICULTURAL BOTANY 



WEBBER, HERBERT J.: Xenia, or the Immediate Effect of Pollen in Maize. Bulletin 

 22, Division of Vegetable Physiology and Pathology, U. S. Department of Agri- 

 culture, 1900. 



WILSON, ALEXANDER STEPHEN: Fertilization of Cereals. Gardeners' Chronicle, I, 

 340-341 (March 14, 1874). 



WING, DE WITT C.: The Improvement of Corn in Pennsylvania. Bulletin 133, De- 

 partment of Agriculture of Pennsylvania, 1904. 



WISSLER, CLARK: Indian Corn as a World Food. American Museum Journal, January, 

 1918, 25-29. 



WOODS, CHARLES D.: Food Value of Corn and Corn Products. Farmers' Bulletin 298, 

 U. S. Department of Agriculture, 1907. 



ZOOK, L. L.: Tests of Corn Varieties on the Great Plains.- Bulletin 307, U. S. De- 

 partment of Agriculture, 1915. 



OATS 



CARLETON, MARK ALFRED : Ten Years Experience with the Swedish Select Oat. Bull- 

 etin 182, Bureau of Plant Industry, U. S. Department of Agriculture, 1910; The 

 Small Grains. New York, The Macmillan Company, 1916. 



CHILCOTT, E. C.: Oats in the Great Plains Area. Relation of Cultural Methods to 

 Production. Bulletin 218, U. S. Department of Agriculture, 1915. 



ETHERIDGE, W. C. : A Classification of the Varieties of Cultivated Oats. Memoir 10, 

 Cornell University Agricultural Experiment Station, October, 1916 with 33 text 

 figures and 22 plates in color. 



FINCH, U. C. and BAKER, O. E.: Geography of the World's Agriculture. U. S. De- 

 partment of Agriculture, 1917. 



FREEMAN, W. G. and CHANDLER, S. E.: The World's Commercial Products. Boston, 

 Ginn and Company, 1911! 



GARDNER, FRANK D.: Successful Farming. Philadelphia, John C. Winston Company, 

 1916. 



HUNT, THOMAS J.: The Cereals in America. New York, Orange Judd Company, 1912. 



ROBBINS, WILFRED W.: The Botany of Crop Plants. Philadelphia, P. Blakiston's 

 Son & Co., 1917. 



SMITH, J. RUSSELL: The World's Food Resources. New York, Henry Holt and Com- 

 pany, 1919. 



WARBURTON, C. W.: Spring Oat Production. Farmers' Bulletin 892, U. S. Department 

 . of Agriculture, 1910; Oats: Distribution and Uses. Farmers' Bulletin 420, 1910; 

 Oats: Growing the Crop. Farmers' Bulletin 424, 1910; Winter Oats for the South. 

 Farmers' Bulletin 436, 1911. 



WHEAT 



BALL, CARLETON R.: Experiments with Marquis Wheat. Bulletin 400, U. S. De- 

 partment of Agriculture, 1916. 



BALL, CARLETON R. and CLARK, ALLEN J.: Experiments with Durum Wheat. Bulletin 

 618, U. S. Department of Agriculture, 1918. 



BLANCHARD, HENRY F.: Improvement of the Wheat Crop in California. Bulletin 

 178, Bureau of Plant Industry, U. S. Department of Agriculture, 1910. 



