127 



Fig. 423. Stipa avenacea Liim. 8p. VI. 78. (.S'. barbata Michx.) 

 Black Oat-guass. A sniooth, erect peiouiiial 'S to l.'y pin. 

 high, with involute, filiform leaves and open, fewtloweied pani- 

 cles 10 to 16 cm. long. Spikelets 8 to 10 nun. long. Awn 3 to 5 

 <m. long. Dry open woodlands, et<., K'hode Island to Ontario 

 and WiBcousin and Bouthward to Florida and Missi.ssippi. April- 



luly. 



