304 



Fig. 600. Agropyron arizonicum Scribii. *fc Smith, U. S. Dept. 



Agr., Div. Agros. Bull. 4 : 



1897. Arizona Whkat-grass. A 



glaucous, erect perennial 4.5 to 6 dm, high, -with soft, Hat leaves 

 15 to 18 cm. long, nodding spikelets 12 to 22 cm. long, and rather 

 remote, 5- to 7-flowered spikelets, 18 to 24 mm. long. Empty 

 glumes (a) about one-half as long as the spikelets; dowering 

 glumes long-awued ; awn divergent, about 24 mm. long. Moun- 

 tains, New Mexico and Arizona. [Mexico.] August, September. 



J 



