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Fig. 89. Stipa sparteaTrin. Porcupine-grass. — A stout, erect 

 perennial, with simple cnlius 6 to 10 dm. high, long, narrow leaves 

 and few-tiowered panicles. The strong, twisted awns are 8 to 15 

 cm. long, and at the base of the flowering glume is a hmg, pointed, 

 and bearded callus. — Prairies, Illinois to Colorado, north to Mani 

 toba and British Columbia. June-August. 



