-CIO poacp:.!-:. 



Montana, Amlersan 30; Jiritish Aniorica, Macoun; Washington, 

 E. R. Lake. 



Growing in woods. 



Micliigan, British Columbia, Washington, anil ufc intervening 

 points. 



21. M. Harfordii Bohmd. Proe. Calif. Acad. 4:10-,' (ISTO); 

 Thurb. S. Wats. Hot. Calif. 2:305 (18H0). 



A slender grass, 40-100 cm. high, the lower nodes somewhat 

 enlarged. Sheaths mostly as long as the internodes, often ciliato 

 at the throat; ligule about 1 mm. long; blades 4 in number, 

 glaucous, smooth or scabrous al)ove, ilat or involute, 12-25 cm. 

 long, about 3 mm. wide. Panicle erect, pale, slender, spikelike, 

 10-20 em. long; rays mostly in jmirs, the longest 5-G cm. long, 

 bearing about 3 spikelets above the middle. Sj)ikelets 4-8-tlowered 

 on erect pedicels, joint of raehilla 3-4 mm. long, easily breaking 

 when young; empty glumes elliptical, 5-nerved. ? mm. long, second 

 7-nerved, 8-9 mm. long; floral glume 8-10 nun. long, nearly ob- 

 long, tapering above, scal^rous-pubescent, ciliate near the margins 

 on the lower half, apex notched or truncate, 7-nerved, with an awn 

 1-3 mm. long; palea linear when not spread, 8 mm. long. 



U. S. Dcpt. Aijrirnl. 603; Washington, Howell; Oregon, 

 Hotvcll; California, liohoulcr 53. 



Washington, Oregon, and California. 



Var. minor Vasey ined A grass 20-30 cm. high; spikes very 

 simple, 3-8 cm. long; spikelets about 3 flowered. 



Oregon (Siskiyou Mountains), Hoirvll in 188T. 



22. M. aristata Thurb. lioland. Proc. Calif. Acad. 4:103 

 (1870); S. Wats. Bot. Calif. 2: 305 (1880). 



A rather slender grass, 50-70 cm. high, scabrous throughout. 

 Sheaths as long as the internodes; ligule scabrous, about 4 mm. 

 long; blades 5-6 in number, flat, imbescent, about 10 cm. long, 

 3-4 mm. wide. PaTiicle very slender, simple, 20-30 cm. long; rays 

 in threes, the longest 5-7 cm. long, bearing 2-4 spikelets above the 

 middle, the sets of rays remote, the lower often partly included. 

 Spikelets purplish, erect, mostly 3-flowered, joints of raehilla 

 brittle, 3-3.6 mm. long; empty glumes elliptical-oblong, barely 



