120 



Fig. 416. Aristida desmantha Trin. & Kupr., Mi^ui. Acad. St. 

 Petersb. (VI),5 : 199. 1842. Westeun Bunch-grass. Aslender, 

 but rather rigid, erect, glabrous pcreuuial .3 to G dm. liigh, with 

 narrow, atteniuite-poiutcd leaves aud narrow panicles about 12 

 cm. long. Spikelets with the nearly equal outer glumes (b) about 

 12 mm. long, exceeding the flowering glume (a), which bears 3 

 nearly equal, reflexed, somewhat coiled awns about 24 mm. long. 

 Dry soil, Kansas ( ?), Indian Territory, and Texas. August. 



