129 



Fig. 111. Muhlenbergia gracilis Triii. : Beal, Grasses X. Am., 

 2: 242. — A slender, lnit rather rigid, densely ctespitose perennial 

 1.5 to (» dm. high, with narrow, involute leaves, and contracted 

 panicles S to 15 cm. long. — Ascending to 2,700 m. or more Texas 

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

 11162— No. 7 9 



