145 



Fig. 127. Sporobolus airoides Torr. Fine-top Salt-grass. — 

 A stout, coarse, and rigid perennial 3 to 9 dm. high, with long, nar- 

 row leaves and open, spreading panicles of many small spikelets. — 

 Moist or dry, usually saline or alkaline soil in deserts, prairies, 

 along streams, in meadows, etc., Nebraska and Kansas to Idaho, 

 California, Texas, and Arizona. [Mexico and Lower California.] 

 July-September. 



11162— No. 7 10 



