32 



Fig. 14. Andropogon provincialis Lam. (A. furcatus Mulil.) 

 Big Blue-stem. — A stout perennial (5 to 16 dm. liigli, Avith long 

 leaves, and rather thick siiikes 3 to 10 cni. long. — From the Rocky 

 Mountains eastward to the Atlantic and sonthwanl to the Oiill" 

 of Mexico. August-October. Especially abundant and valued 

 for hay iu the i)rairie regions. 



