KKS'IMCK.K. 601 



Culms niilicr sloiulor, 00-1 SO cm. from a bulhoiis hiiso. 

 Slioiitlis smooth or S(;iil)ri<l, iihoiit Ww leii,u;lli of (hi! itituniodcs; 

 ligiilu wliiU'-rringod, ',) 4 mm. loiijj;; bliulcs 4 in niimlicr, enfct, 

 sciil)rons. \S)-,lh cm. loiij,', JJ-f) mm. wide. I'smiclo simple. ir>-'^5 

 cm. loiijf ; niVH in twos, tlie loii,if(*st 4 !» cnLlonii^. beuriiig L'-f) s|»ii\e- 

 Icts on tluM)ul,cr thrcc-lirtli.s. SpikcleLs r)-S-ll()W(!ri'(i, 1*^-1S mm. 

 loiiff, joint of nuiliillii ',^-3,5 mm. loiij;, glnmt's sciil)ri(l, empty ones 

 oviil, lirst, ;{ r)-nerve(l (the liiteriil nerves very short). 7 mm. lon^% 

 second r)-7-ii((rved, 8 mm. long; llonil <,dumc oval, scabrons, tlio 

 very tip obtnse, 7-nerved, H mm. long; puleii elli|)ti(!ji! witiiout 

 sj)reading, (1 mm. long. 



Calirornia, Lmniion .'iMS, /io/mii/rr (II'.M, in lierb. 1 1. S. Dc'pt. 

 Agricul. 



a. M. fugax Mohmder, Troc. Calif. .\cad. 1:104 (1870). M. 

 GejU'fi 'riuirl)cr. Hot. Willvcs Mxp. 4!M, not, .Miinro. (ilijiiria 

 hulhusa Ibuiklcy. I'nie. IMiiia. Acad. 1»5 (18(i:i). 



Culms sl((nder, :.M) (iO cm. high, fi'oiii Ixdblike bases. Ligulc 

 white, ]a(!eratc, 3- li mm. long; blach-s '^ :! in niimbcir, Hat, 10-15 

 cm. long, '3 mm. wiih", smootli or scabri;'., the lowest short and 

 ohtiise, the others setaceous. I'aiucle simple, (i-l'i cm. long, rays 

 remote, soon horizontal, l-d-llowenid, the longest W ciu. long. 

 S[)ikelet3 IJ-o-llowertHJ, tinged with purple, joint of rachilla thi(;k, 

 soft, si)ongy, 2.;5 mm. long; tirst empty glume I mm. long, ovate, 

 .')-iiervcd, st^eond 5 mm. long, broa<lly oval, r)-7-nerved ; floral giumo 

 r» mm. long, lirm, hroadly oval, 7-!>-nerved ; palea incurved, i") mm. 

 long. 



Oregon, lloirdl, Ciisick 10153; (California, JJohuider, Mrs. 

 Alls/ ill, l.vniiiioH. 



Idaho, Oregon, and Califoriua. 



0. M. multinervosa \'as(iy. 



Culms geniculate, .'")0-!i0 cm. higli, with oidarged bases. 

 Sheaths W, slightly siiabrous, about the length of the internodes; 

 ligulo very short, (uliatc; blades Hat or involute, 30-40 cm. long, 

 3-4 mm, wide. Panicle nuu-h cxserted, simph^, IT)- 17 cm. long; 

 rays single, the longest h cm. long, bearing about 5 s])ikelets on tho 

 outer three-lifths. Spikelets 1O-30 mm. long, appressed. linear- 



