122 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



the keel and marginal nerves or sometimes nearly glabrous, the inter- 

 mediate nerves distinct. % — Bogs, Alaska, south in the mountains 

 to northern New Mexico, Utah, Nevada, and California (Mount 

 Dana) (fig. 210). 



34. Poa paludigena Fern, and Wieg. (Fig. 211.) Culms slender, 

 solitary or in small tufts, 15 to 70 cm tall; sheaths minutely scabrous; 

 ligule short, truncate, the uppermost as much as 1.5 mm long; blades 





Figure 208.— Poa paucispicula. Panicle, 

 X l; floret, X 10. (Hitchcock 11711, Wash.) 



Figure 209.— Poa leptocoma. Panicle, X 1; floret X, 10. 

 (Arsene and Benedict 15562, N.Mex.) 



rather lax, mostly erect, 0.3 to 2 mm wide; panicle loose and open, 

 mostly 5 to 10 cm long, the branches long and slender, distant, the 

 lower mostly in twos, spikelet-bearing above the middle; spikelets 

 mostly 4 to 5 mm long, narrow, 2- to 5-flowered; lemmas 2.5 to 3.5 mm 

 long, webbed at base with a few long hairs, the keel and lateral nerves 

 pubescent on the lower half or two-thirds, the intermediate nerves 

 glabrous, obscure. 2t — Bogs and springy places, New York and 

 Pennsylvania to Illinois and Wisconsin (fig. 212). 



