243 



Fig. 225. Scleropogon brevifolius Philippi (Trieuspis mon- 

 strosa Monro; Lesourdia multiflora and /-. karwinskyana Fourn.). 

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

 blanches 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 iuto 

 Mexico and South America. May-October. 



