29 



c J" ' ' CV' 



Fig. 11. Audropogon argyraeus Schultes. Silver-beard or 

 Silvery Beard-grass. — A rather slender native grass 6 to 9 dm. 

 high, with narrow leaves and silky-bearded racemes, which are 

 in pairs, terminal on the culm or its branches. — In dry, sandy 

 soil in open woods and along thicket borders from Delaware to 

 Missouri and southward to the Gulf. August-October. 



