20 



Fig. 2. Imperata hookeri Kupr. (/. hrerifoUa Vasey ; /. cai((Uita 

 8cribu. notTriu.); J;eiil, (Tira.ssses N. Am., 2: 22.— A stout, glabrous 

 pereunial 5 to 12 dm. high, with strong, creeping rootatocks, Hat 

 leaves, and elongated white-hairy, densely Howered ])anicles. — 

 Western Texas, Nevada, New Mexico, Arizona, Southeru California 

 and southward. 



