126 



Fig. 108. Muhlenbergia filiculmis Vasey; Contrib. U. S. Nat. 

 Herb. 1 : 267 ; Beal,Grasses N. Am., 2 : 250. Thread-like Muhlen- 

 bergia.— A low, tufted perennial with lililbrni scape-like culms 1.5 

 to 3..") dm. biffb, setaceous radical leaves and narrow, spike-like 

 panicles 2 to 5 cm. long.— Sandy soil, Ute Pass, El Paso County, 

 in moist i)rairies at Como, Park County, and on the mesas at Twin 

 Lakes, Lake County, Colorado; alt. 2,000 to 3,000 m. July-t?ep- 

 tember. 



