119 



Fig. 415. Aristida basiramea Engelm. ; Vasey, in Coulter Bot. 

 Gaz. 9 : 76. 1884. Tufted Triple-awn.— An erect, slender, 

 smooth, rauch-branclied perennial 1 to 4 dm. liigh, with narrow, 

 involute-setaceous leaves, and few-flowered, spike-like panicles 

 6 to 10 dm. long. Empty glumes (a) unequal; middle awn 12 to 

 18 mm. long, coiled at the base and divergent.— Dry soil, Illinois 

 and Manitoba, to Virginia and Kansas. August, September. 



