26 



Fig. :f2'2. Andropogon contortus Linn. Sj). 1*1. td. 1, 1045. 

 Twisted 1{e.\ki)-(;r.\.ss. — A ntoiit iicicnnial-l to Id dm. iii^li, with 

 rather broad leaves and solitary, bearded racemes, terminating 

 the cuhn or its branches. Kacenics about ."> cm. b>iig. Sessile 

 spikelet i) to 10 mm. long, pubescent. Awns twisted 8 to 10 cm. 

 long. — Sandy soil, Texas to Ari/ona. [Tropical and snbtropical 

 countries of both hemispheres.] Ai>ril-<)ctober. 



