MANUAL OF THE GRASSES OF THE UNITED STATES 



137 



67. Poa curtifolia Scribn. (Fig. 

 180.) Culms several in a tuft from 

 firm branched crowns, 10 to 20 cm. 

 tall; ligule prominent, the uppermost 

 as much as 5 mm. long ; blades short, 

 the lower 1.5 to 2 cm. long, 2 to 3 mm. 

 wide, the upper successively smaller, 

 the uppermost near the panicle, much 

 reduced; panicle narrow, 3 to 6 cm. 

 long; spikelets about 3-flowered; 

 glumes equal, 5 mm. long, the first 

 acuminate, the second broad, rather 



Figure 180. — Poa curtifolia. Panicle, X 1; floret, 

 X 10. (Duplicate type.) 



obtuse; lemmas 5 to 

 % — Known only 

 Washington. 



5.5 mm. long, 

 from central 



\\ 



Figure 179. — Poa nevadensis. Pan- 

 icle, X 1; floret, X 10. (PansU 

 Bros. 1543, Calif.) 



Figure 181. — Poa juncifolia. Panicle, X 1; 

 floret, X 10. (Type.) 



