L08 MISC. PUBLICATION 200, V S DEPT. OF AGRICULTURE 



numerous; panicle narrow, i to ;> 

 cm, long, tawny, the short branches 

 ascending or appressed; spikelets I 

 to 5 mm. long, mostly 3- or 4-floweredj 

 glumes unequal, the second 3 mm, 

 long; lemmas 3 mm, long, scaberu- 

 lous, sparsely webbed at base, the 

 nerves faint; pistillate florets with 

 minute abortive anthers, the stami- 

 nate often with rudimentary pistil. 

 2| Sand dunes and sandy mead- 

 ows near the coast, British Columbia 

 to Mendocino County, Calif. 



l' v uu>u< 122 "<>« macrantha. Rant, X I; Norot. 

 \ 10. (mtohooek 382a I re».) 



9. Von douglasii Wvs. (Kig, L23.) 

 Plants dioecious, the two kinds sim- 

 ilar; culms ascending from a decum- 

 bent base, usually less than 30 em. 

 tail; rhizomes slender; sheaths gla- 

 brous, tawny and papery; blades in- 

 volute, some of them usually ex- 

 ceeding the culm; panicle ovoid, 

 dense, spikelike. 2 to 5 cm. long, I 

 to - cm. wide, pale or purplish; 

 spikelets to 10 mm. long* about 

 5-tlowered; glumes broad, 3-nerved, 

 4 to (> mm. long; lemmas 6 to 7 mm. 

 long, slightly webbed at base, pubes- 



oi\ the lower part of the keel 

 and marginal nerves, scabrous on 

 the upper part of the keel, usually 

 with I to 3 pairs of intermediate 

 Sand dunes near the 

 Cahforniaj Point Irena to 

 Monterey. 



10. Tea confinis V:isoy Tig 124.] 

 Plants dioecious, the two kinds sim- 



culms often geniculate at I - 

 usually less than to cm. tall, some- 

 times as much as 30 cm.; blades 

 involute, those of the innovations 



(Bolauder 60T4, Calif J 



11. Poa rhi/omata Eiitchc. v^'- 

 L25.) Culms tufted with numerous 

 innovations, M) to 60 cm. tall; lower 



sheaths usually seaberulous with a 

 puberulont collar; ligule rather promi- 

 nent on the culm leaves, inconspicu- 



m the leaves of the innovations; 



es involute or sometimes 



