610 POACE.E. 



Montana, Anderson 30; British America, Macou7i ; Washington, 

 £. R. Lake. 



Growing in woods. 



Michigan, British Cokinibia, Washington, and at intervening 

 points. 



21. M. Harfordii Boland. Proc. Calif. Acad. 4:102 (1870); 

 Thurb. S. Wats. Bot. Calif. 2 : 305 (1880). 



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

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

 at the throat; lignle about 1 mm. loug; blades 4 in number, 

 glaucous, smooth or scabrous above, flat or involute, 12-25 cm. 

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

 10-20 cm. long; rays mostly in pairs, the longest 5-6 cm. long, 

 bearing about 3 spikelets above the middle. Spikelets 4-8-flowered 

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

 "when young; empty glumes elliptical, 5-nerved. 7 mm. long, second 

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

 long, tapering above, scabrous-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 sjiread, 8 mm. long. 



TJ. 8. Deft. Agricul. 603; Washington, Howell; Oregon, 

 Howell', California, Bolander 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), Hoivell in 1887. 



22. M. aristata Thurb. P)oland. 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, pubescent, about 10 cm. long, 

 5-4 mm. wide. Panicle 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 rachilla 

 brittle, 3-3.5 mm. long; empty glumes elliptical-oblong, barely 



