HOW TO KNOW THE GRASSES 



Gates, F. C. 1937. Grasses in Kansas. Rept. of Kansas State Board 

 of Agric, Vol. LV, No. 220-A. pp. 349. Keys, descriptions, illustra- 

 tions of species, maps. 



Harrington, H. D. 1946. Grasses of Colorado, pp. 167, plus index. 

 Keys and descriptions, no illustrations. Mimeographed. Colorado 

 A. and M. College, Fort Collins. 



Hitchcock, A. S. 1936. The genera of grasses of the United States, 

 with special reference to the economic species. U. S. Dept. of Agric. 

 Bull. 772, revised ed. pp. 302. Keys to genera, illustrations, discus- 

 sions of important species. Supt. of Documents. 



Hitchcock, A. S. 1951. Manual of the grasses of the United States. 

 U. S. Dept. of Agric. Misc. Publ. 200, revised edition (by Agnes 

 Chase), pp. 1051. Abundantly illustrated. This is a very important 

 publication on American grasses, but rather large and complex 

 for the beginner. Supt. of Documents, Washington, D. C. 



Mosher, Edna. 1918. The grasses of Illinois. 111. Agric. Expt. Sta. 

 Bull. 205. pp. 261-425. Keys, descriptions, illustrations. 



Norton, J. B. S. 1930. Maryland grasses. Md. Agric. Expt. Sta. Bull. 

 323. Keys, brief descriptions, key to vegetative characteristics of 

 grasses. 



Pohl, Richard W. 1947. A taxonomic study on the grasses of Penn- 

 sylvania. American Midland NaturaHst 38: 513-604. Keys and 

 habitat notes, no descriptions or illustrations. 



Pool, Raymond J. 1948. Marching with the grasses, pp. xii plus 210. 

 This is a book on the economic botany of grasses. Not useful for 

 identification of individual genera or species. Univ. of Nebraska 

 Press. Lincoln. 



Silveus, W. A. 1933. Texas grasses, pp. xlvi plus 782. Illustrations, 

 keys, and descriptions. Pub. by the author. San Antonio. 



U. S. Dept. of Agricuhure. 1948. GRASS: The yearbook of agricuhure 

 1948. Contains numerous articles on grasses, legumes, grasslands. 

 One section is on common agricultural grasses. Illustrations. Supt. 

 of Documents. Washington, D. C. 



U. S. Forest Service. 1937. Range plant handbook, pp. xxvi plus 512. 

 One section on grasses. Illustrations, detailed notes on structure, 

 uses by grazing animals, range, etc. No keys. Supt. of Docu- 

 ments. Washington, D. C. 



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