205 



Fig. 199. BOUTELOUA ERIOPODA Torr. Pac. R. R. Rept. 45 : 1.5.5. 1857. 

 WOOLLY FOOT. — A slender, branching, and somewhat wiry perennial with 

 woolly-jointed stems 1-6 dm. {j°-2°) long, with three to six slender, spreading, 

 and rather loosely flowered spikes 1.5-2.5 cm. (h'-2') long. Culms weak, often 

 decumbent, woolly-pubescent below; sheaths shorter than the internodes; leaf- 

 blades narrow, 5-8 cm. (2'-.3') long, 2-1 mm. (l"-2") wide. Spikelets (a) 6-7 mm. 

 {S"-Si") long; second glume acute, twice as long as the first; middle awn of 

 floral glume (c) twice as long as the lateral ones; rudiment (b) with few short 

 hairs and three equal awns about 6 mm. (3") long. — Dry, gravelly soil, Texas to 

 Arizona. (Northern Mexico.) August, September. 



A valuable grass for grazing, distinguished from the other species of Boutdoua 

 by its woolly stems. 



