238 



Fig. 534. Poa bigelovii Vasey & Pcribn. C^ontrib. U. S. Nat. 

 Herb. 1:270. 1893. Bigki.ow's I{mk-(;ka.ss.— A slender, smooth 

 annual 1 to G dm. bigh, with liat leaves and narrow panicles 4 to 

 12 cm. long. Spikelets (a) 4 to (5 ram. lonjj;, 3- to S-flowered, with 

 the acute empty glumes n.inly as Ion;:' as the dowering ones, 

 which are 3 to I mm. long, and villous on the keel and on the 

 lower half of the marginal nerves, with long, cobwebby hairs at 

 the base.— Moist soil, Colorado southward to Texas, New Mexico, 

 Arizona, and Call forn ill. [Mexico.] A])ril-.Tnly. 



