152 PASTORAL AND AGRICULTURAL BOTANY 



LAMSON-SCRIBNER, F.: Our Native Pasture Plants. Yearbook of the Department of 

 Agriculture, 1900, 581-598; Southern Forage Plants. Farmers' Bulletin 102, 

 U. S. Department of Agriculture, 1899. 



McCLURE, HARRY B.: Market Hay. Farmers' Bulletin 508, U. S. Department of 

 Agriculture, 1912; Haymaking. Farmers' Bulletin 943, 1918; Hay Stackers. 

 Farmers' Bulletin 1009, 1919; Baling Hay, Farmers' Bulletin 1049, 1919. 



OAKLEY, R. A.: Canada Blue Grass, Its Culture and Uses. Farmers' Bulletin, 402, 

 U. S. Department of Agriculture, 1910. 



PIETERS, A. J. and BROWN, EDGAR: Kentucky Bluegrass Seed Bulletin 19, Bureau 

 of Plant Industry, U. S. Department of Agriculture, 1902. 



PIPER, C. V.: Grass Lands of the South Alaska Coast. Bulletin 82, Bureau of Plant 

 Industry, U. S. Department of Agriculture, 1905. 



PIPER, C. V. and HILLMAN, J. H.: The Agricultural Species of Bent Grasses. Bulletin 

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



PIPER, C. V. and OAKLEY, R. A.: Turf for Golf Courses. New York, The Macmillan 

 Company, 1917, pages 262. 



SAMPSON, ARTHUR W.: Range Improvement by Deferred and Rotation Grazing. 

 Bulletin 34, U. S. Department of Agriculture, 1913; Important Range Plants, 

 their Life History and Forage Value. Bulletin 545, U. S. Department of Agri- 

 culture, 1917; Plant Succession in Relation to Range Management. Bulletin 

 791, U. S. Department of Agriculture, 1919. 



SHANTZ, H. L. : Natural Vegetation as an Indicator of the Capabilities of Land for Crop 

 Production in the Great Plains Area. Bulletin 201, Bureau of Plant Industry, 

 U. S. Department of Agriculture, 1911. 



TRACY, S. M. : Some Important Grasses and Forage Plants for the Gulf Coast Region. 

 Farmers' Bulletin 300, U. S. Department of Agriculture, 1907; Forage Crops for 

 the Cotton Region. Farmers' Bulletin 509, 1912; Bermuda Grass. Farmers' 

 Bulletin 814, 1917. 



VINALL, H. N.: Meadow Fescue, its Culture and Uses. Farmers' Bulletin 361. U. S. 

 Department of Agriculture, 1909; Foxtail Millet, its Culture and Utilization in 

 the United States. Farmers' Bulletin 793, 1917. 



WILLIAMS, THOMAS A.: Timothy in the Prairie Region. Yearbook of the U. S. De- 

 partment of Agriculture, 1896, 147-154; Sorghum as a Forage Crop. Farmers' 

 Bulletin 50, U. S. Department of Agriculture, 1897. 



WITTE, HERNFRID: Breeding Timothy at Svalof. Journal of Heredity, x: 291-299, 

 October, 1919. 



WOODWARD, T. E. and OTHERS : The Making and Feeding of Silage. Farmers' Bulletin 

 556, U. S. Department of Agriculture, 1913. 



WOOTON, E. O.: Factors Affecting Range Management in New Mexico. Bulletin 211, 

 U. S. Department of Agriculture, 1915. 



YERKES, ARNOLD P. and McCLURE, H. B.: Harvesting Hay with the Sweep-rake. 

 Farmers' Bulletin 838, U. S. Department of Agriculture, 1917. 



YODER, P. A.: Growing Sugar Cane for Sirup. Farmers' Bulletin 1034, U. S. De- 

 partment of Agriculture, 1919. 



