129 



Fig. 111. Muhlenbergia gracilis Triu. : Eeal, Grasses N. Am., 

 2 : 212. — A sleuder, but rather rigid, densely c;espitose perennial 

 1..5 to 6 dm. higb, "vrith narrow, involute leaves, and contracted 

 panicles S to 1.5 cm. long. — Ascending to 2,700 m. or more Texas 

 to Arizona, Colorado, and Wyoming. [Mexico.] .Tune-September. 

 11162— No. 7 9 



