262 A TEXT-BOOK OF GRASSES 



occasionally used by amateur botanists, but scarcely by 

 the general public. 



LIST OP BOOKS AND ARTICLES RELATING TO 

 TAXONOMIC AGROSTOLOGY 



From the large number of works on this subject a few 

 of the recent more important and accessible are here 

 indicated. Appended to the main list which deals with 

 North American agrostology is a brief list of representative 

 reference works upon the grasses of foreign countries. 



Works relating to genera 



Bentham & Hooker, Genera Plantarum, 3, part 2, 1883. 



Durand, Index Generum Phanerogamorum, 1888. A systematic 



index to Bentham & Hooker's Genera Plantarum. 

 Engler & Prantl, Pflanzenfamilien. Gramineae by Hackel, II, 2. 



1887. There are additions by Hackel and by Pilger. 

 Dalla Torre & Harms, Genera Siphonogamarimi, 1900-1907. A 



systematic index to Engler & Prantl's Pflanzenfamilien. 

 Hackel, True Grasses, 1890. Translated from the preceding, by 



Scribner & Southworth. 

 Scribner, American Grasses, III, Descriptions of the tribes and 



genera. (U. S. Dept. Agr. Div. Agrost. Bull. 20. 1900.) 

 Chase, Notes on Gtenera of Panicese. (In four parts, Proc. Biol. Soc. 



Washington. 1.19:183-192. 1906. 11.21:1-10. 1908. III. 



21:175-188. 1908. IV. 24:103-160. 1911). 



Manuals and floras 



North American Flora. PoacesD by Nash (17: 77-98. 1909; 99-196. 

 1912). Descriptions. 



Beal, Grasses of North America. I. 1887. II. 1896 (systematic por- 

 tion). Descriptions. 



Bailey, Cyclopedia of American Agriculture, 2:365-376. 1907. 

 Grasses by Hitchcock. 



