126 



Fig. 108. Muhleubergia filiculmis Yasey : Contrib. U. S. Nat. 

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

 BERGIa. — A low. tufted perennial with iiliibnn scape-like culms 1.5 

 to 3.5 dm. high. setaceous radical leaves and narrow, spike-like 

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

 in moist prairies at C'omo, Park County, and on the mesas at Twin 

 Lakes, Lake County, Colorado; alt. 2,000 to 3,000 m. July-Sep- 

 tember. 



