253 



Fig. 235. Triodia acuminata (Mnnro) Vasey {Sieglingia acu- 

 minata Kuntze) ; Beal, Grasses N. Am., 2 : 470.— A slender, densely 

 tufted perennial 1 o to 2 dm. high, with short leaves, and simple, 

 dense, ohlong panicles 1.5 to 3 cm. long. - Poor, gravelly soil, hill- 

 sides, etc., Texas to Arizona, north to Colorado and Indian Terri- 

 tory. [Northern Mexico.] April-June, 



