114 



Fig. 108. MUHXENBERGIA FILICULMIS Vasev, Contr. U. S. Nat. Herb. 



1 : 267. 1893. THREAD-LIKE MUHLENBERGIA.— A low, tiifted perennial 

 with filiform, scape-like culms 1.5-3.5 dm. (6'-14') high, short, setaceous, radical 

 leaves and narrow, spike-like panicles 2-5 cm. (l'-2') long. Spikelets (a) about 



2 mm. (1") long; empty glumes 1-nerved, irregularly 3-toothed, about one-half 

 as long as the short-awned flowering glume, which is pubescent near the 

 base; awn about 2 mm. (1") long.— Sandy soil, Ute Pass, El Paso County, in 

 moist prairies at Como, Park County, and on the mesas at Twin Lakes, Lake 

 Countv, Colorado: alt., 2.000 to 3, 000 m. (G,200°-9.500°) . July to September. 



