GENERAL INFORMATION 105 



1913, 3 volumes (grasses, by G. V. Nash, in vol- 

 ume 1). 



From North Carolina to Florida and west to 

 Oklahoma and Texas: Small's Flora of the South- 

 eastern United States, 1903 (grasses, by G. V. 

 Nash). 



The Rocky Mountain region and east to the Black 

 Hills of South Dakota: Coulter and Nelson's New 

 Manual of Botany of the Central Rocky Mountains, 

 1909 (this does not cover the Mexican flora that 

 extends into southern New Mexico and Arizona); 

 Rydberg's Flora of the Rocky Mountains and Adja- 

 cent Plains, 1917. 



There is no manual covering the flora of the South- 

 west, but Wooton and Standley's Flora of New 

 Mexico (Contributions United States National Her- 

 barium, Vol. 19, 1915), includes also most of the 

 species of Arizona. This work gives keys to the 

 genera and species and descriptions of the genera 

 but not of the species. 



California: Jepson's Flora of California, 1912. 

 (Grasses, by A. S. Hitchcock). 



Washington: Piper's Flora of the State of Wash- 

 ington (Contributions United States National Her- 

 barium, Vol. 11, 1906), giving keys but not descrip- 

 tions; Piper and Beattie's Flora of the Northwestern 

 Coast, 1915, with keys and descriptions; and Piper 

 and Beattie's Flora of Southeastern Washington and 

 adjacent Idaho, 1914, with keys and descriptions. 



Oregon, Utah, and Nevada, and most of Idaho 



