FORAGE PLANTS OF THE FAMILY LEGUMINOS^E 215 



PIPER, C. V.: Alfalfa Seed Production: Pollination Studies. Bulletin 75, U. S. De- 

 partment of Agriculture, 1914. 



SCOFIELD, CARL S.: The Botanical History and Classification of Alfalfa. Bulletin 131, 

 Part II, Bureau of Plant Industry. 1908. 



SMITH, JARF.D G.; Alfalfa or Lucern. Farmers' Bulletin' 31, 1895. 



WESTGATE, J. M.: Alfalfa. Farmers' Bulletin 339, 1908; Variegated Alfalfa. Bulletin 

 169, Bureau of Plant Industry, 1910. 



WESTGATE, J. M., McKEE, ROLAND and EVANS, M. W.: Alfalfa Seed Production. 

 Farmers' Bulletin 495, 1912. 



RED CLOVER 



i 

 BROWN, EDGAR and HILLMAN, F. H. : Seed of Red Clover and Its Impurities. Farmers 



Bulletin 260, 1906. 



MCDERMOTT, LAURA FRANCES: An Illustrated Key to the North American Species of 

 Trifolium. San Francisco, Cunningham, Curtiss, Welch, 1910. 



SHAW, THOMAS: Clovers and How to Grow Them. New York, Orange Judd Com- 

 pany, 1906. 



SMITH, C. BEAMAN: Clover Farming on the Sandy Jack-pine Sands of the North. 

 Farmers' Bulletin 323, 1908. 



WESTGATE, J. M. and HILLMAN, F. H.: Red Clover. Farmers' Bulletin 455, 1911. 



WESTGATE, J. M. AND OTHERS: Red-clover Seed Production: Pollination Studies. 

 Bulletin 289, U. S. Department of Agriculture, 1915. 



CRIMSON CLOVER 



WESTGATE, J. M.: Crimson Clover. Growing the Crop. Farmers' Bulletin 550, 

 1913; Crimson Clover. Utilization. Farmers' Bulletin 579, 1914. 



SWEET CLOVER 



COE, H. S.: Sweet Clover. Growing the Crop. Farmers' Bulletin 797, 1917; Sweet 

 Clover. Utilization. Farmers' Bulletin 820, 1917; Sweet Clover Harvesting and 

 Thrashing the Seed Crop. Farmers' Bulletin 836, 1917. 



DRAKE, J. A. and RUNDLES, J. C.: Sweet Clover on Corn Belt Farms. Farmers' 

 Bulletin 1005, 1919. 



WESTGATE, J. M. and VINALL, H. N.: Sweet Clover. Farmers' Bulletin 485, 1912. 



FIELD PEAS 



SHAW, THOMAS: Canadian Field Peas. Farmers' Bulletin 224, 1905. 



VINALL, H. N.: The Field Pea as a Forage Crop. Farmers' Bulletin 690, 1915. 



Cow PEAS 



NIELSEN, H. T.: Cowpeas. Farmers' Bulletin 318, 1908. 



PIPER, C. V.: Agricultural Varieties of the Cowpea and immediately Related Species. 



Bulletin 229, Bureau of Plant Industry, 1912. 

 SMITH, JARED G.: Cowpeas. Farmers' Bulletin 89, 1899. 



