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Fig. 437. Stipa vaseyi Scribn. U. S. Dept. Agr. Div. Agros. 

 Bull. 11 : 46. 1898. (Stipa viridula var. robusta Vasey; not Stipa 

 robasta Nutt.) Sleepy Grass. — A stout, erect perennial 12 to 18 

 (1 m . high, with long,, fl at leaves and erec t, densely flo wered panicles 

 30 to 45 cm. long. Spikelets about 10 mm. long, with pubescent 

 flowering glumes (b) 6 to 7 mm. long. Awn slender, about 26 mm. 

 long. — Colorado, New Mexico, southern California. [Mexico.] 

 June-September. 



