508 POACE.E. . 



Wyoming, Utah, Oregon, Culifornia. 



IT. M. bulbosa (Jeyer, llouk. Jour. Bot. 8:10 (1S5G). A. Gray,. 

 Proc. Am. Acad. 8:4(»!t (is:;3). 



Culms sleuJor, growing singly or in dt'iiso tufts, with corms at 

 the base. Slieatlis scabrous, or sonu'times pubescent, about the 

 length of the internodes; ligule white, thin, about 4 mm. long; 

 blades 3-4 in number, erect, scabrous. 10-15 cm. long. Panicle 

 erect, spikelike, more or less interrupted below, ?-]■-> cm, long; 

 rays in twos, threes, or single, stout, erect, ap|»ressed. Spikelets 

 5-8-flowered, joint of rachilla 2.2-5 mm. long; em{)ty ghime{> 

 scabrid, first glume elliptical-lanceolate, JJ-o-nerved, (J-T mm. 

 long, second elliptical, obtuse-retrorse, 5-nerved, IS mm. long; 

 floral glume 9 mm. long, scabrous, oblong-lanceolate, obtuse oi 

 notched at the tip. 1-nerved, with some shorter nerves interven- 

 ing; palea elliptical without spreading, 7 mm. long. 



^lontana. ]\i//i(ttius ; Washington, lii'ditdcyec 11S2; Oregon^ 

 HoweU, 0/.s'/V/l- 900, /fdllCi:; Nevada, Wafson UOi. 



jMontaua, Washington, Nevada, California, Utah, Wyoming. 



18. M. subulata (Griseb.) Scribn. Proc. Phila. Acad. 47 

 (1885). Jiroinas t^ubiihtus Griseb. Ledeb. Fl. lioss. 4: 358 (1853), 

 M. aruminata lioland. Proc. Cal. Acad. 4: 104 (1870). 



A slender grass, nO-1'20 cm. high, the culms scabrous with 

 corms at the base. Sheaths shorter than the internodes; ligule a 

 white ciliate fringe 1 mm. long; blades 4-5 in number, scabrous, 

 fiat, 12-18 cm. long, 4-G cm. wide. Panicle slender, few- 

 flowered, 12-15 cm. long; rays slender, plumose, the lower in 

 threes or fours, the longest 5-T cm. long, bearing 3-5 si)ikelets 

 above the middle. Spikelets about 5-flowered, rachilla zigzag, each 

 joint 3-4 mm. long, M'ith an unequal callus-like swelling just below 

 the empty glumes; lower glume ovate-lanceolate, 3-nerved, first 5 

 mm. long, second G mm. long: floral glume 9-12 mm. long, hirsute 

 or scabrous, oval-acuminate, l-nervcd; palea linear, 5-G mm. long. 



Oregon, KeUogg tf- llavurd 1112, llowvll 445. 



Montana, Idaho, Washington, Oregon, California. 



19. M. bromoides A. Gray, Proc. Am. Acad. 8:409 (1873). 

 M. Geyeri Munro, lioland. Proc. Calif. Acad. 4:103 (1870). 



