124 



Fig. 420. Aristida havardii Vasey, Bull. Ton. Bot. Club. 13 : 

 27. 1886. Havard's Poverty Grass.— A slender, erect, branch- 

 ing perennial, usually about 3 din. high, with setaceous leaves 

 and divaricate-spreading, rlexuous panicles 8 to 12 cm. long. 

 Empty glumes (a), slightly unequal. Awns spreading, nearly 

 equal. 12 to 14 mm. loug. — Western Texas to New Mexico aud 

 Ari7ona. August-October. 



