263 



Poa vaseyochloa Scribn. U. S. 



Dept. Agr. 



Div. 



Fig. 559. 



Agros., Cir. 9 : 1. 1899. {P. pidchella Yasey.) Vasey's Blue- 

 grass. — A slender, ca'spitose perennial -with short, filiform leaves, 

 sruootb, erect cnlms 1 to 1.5 dm. bigb, and delicate, open panicles 

 2 to 3 cm. long. Spikelets 3- to 5-flowered, 6 to 8 mm. long, with 

 short, and usually obtuse outer glumes (a), and scabrous, obtuse, 

 flowering glumes (c). — Moist places among rocks, Idaho, Wash- 

 ington, and Oregon. April, I\Iay. 



