243 



Fig. 225. Scleropogon brevifolius Philippi (Tricuspid mon- 

 strosa Munro; Lesourdia multiflora and L. karivinskyana Fourn.). — 

 A wiry, creeping perennial with densely tufted, upright, leafy 

 branches 1 to 2.5 cm. high, and unisexual spikelets: the pistillate 

 long-awned, the staminate awnless. — Dry mesas and canyons, 

 Colorado to Texas, New Mexico, Arizona, and southward into 

 Mexico and South America. May-October. 



