362 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



woods and mountain meadows, South Dakota and Kansas to British 

 Columbia, south to New Mexico and California (fig. 736). A some- 

 what stouter form with thicker panicles has been called M. simplex 

 Rydb. 



5. Muhlenbergia repens (Presl) Hitchc. Creeping muhly. (Fig. 

 737.) Perennial with widely creeping scaly rhizomes; culms decum- 



Fioxjre 734. — Muhlenbergia dcpavperata. Plant, X 1; glumes 

 and floret, X 10. (Metcalfe 671, N.Mex.) 



Figure 735.— Muh- 

 lenbergia filiformis. 

 Plant, X 1; glumes 

 and floret, X 10. 

 (Nelson 4011, Wy.) 



bent, brandling, spreading, the flowering branches 5 to 20 cm long; 

 blades mostly 1 to 2 cm long, flat or soon involute; panicle narrow, 

 1 to 4 cm long, sometimes longer, interrupted ; spikelets about 3 mm 

 long; glumes more than half as long as the lemma or a little more, 

 acutish; lemma narrowed to a more or less apic- 

 ulate summit, minutely roughened, usually 

 darker than the glumes, the lateral nerves 

 obscure. % —Dry rocky or sandy open 

 ground, Texas to Arizona; known in Mexico 

 only from the type collection. 



6. Muhlenbergia utilis (Torr.) Hitchc. 

 Aparejo grass. (Fig. 738.) Similar to M. 

 repens; usually more delicate with finer leaves; 

 spikelets about 2 mm long, less pointed, the glumes sometimes less 

 than half as long as the paler lemma. % (Sporobolus utilis Scribn.) 

 — Wet places, marshy soil, and along ditches and streams, Texas, 

 Arizona, southern California, Nevada, and Mexico. Used for stuffing 

 pack saddles. 



Figure 736.— Distribution of 

 Muhlenbergia filiformis. 



