CATALOGUE. 280 



Eatonia obtusata, Gr. — Utah, 1871 and 1872. Cave Spring, Arizona, 

 1874, and Zufll (194). 



Melica mutica, Walt, var. glabra. — Sierra Blanca, Arizona, 

 1874 (805). 



Melica stricta, Bol. ("Watson's Botany 40th Parallel). — Nevada, 1871 

 and 1872. 



Melica buxbosa, Gey. (Synopsis Flora of Colorado). — Nevada, 1871 

 and 1872. 



Glyceria nervata, Trin. — Twin Lakes, Colorado, 1873 (1121). Santa 

 F<5, N. Mex., 1874 (71). A large form, Mount Graham, Arizona, 1874 (428). 



Glyceria airoides, Thurb. (Synopsis of Flora of Colorado). — Saguache 

 Creek, Colorado, 1873 (1120). 



Glyceria distaks, Wahl. — Santa Fd, N. Mex, 1874 (34). 



Brizopyrum spicatum, Hook., var strictum, Gr. — Nevada and Utah, 

 1871 and 1872. Saguache Creek, Colorado, 1873 (1123 and 1124). 

 Covero, N. Mex., 1874 (105). Alcadonis, N. Mex. (84). 



Catabrosa aquatica, Beauv. (Synopsis Flora of Colorado, Watson's 

 Botany 40th Parallel).— Near Gray's Peak, Colorado, 1873 (1122). 



Poa alpina, L. — Mosquito, Colorado, 1873 (1126). South Park, Colo- 

 rado, 1873 (1127). This I take to be the true alpina, characterized by the 

 short ovate panicle, and the broad, flat, thick and short, radical leaves. 



Poa Andina, Nutt. — Culms tufted, erect, rigid, smooth or scabrous, 

 6' to 2° high, leafy at the base; leaves rigid, scabrous, flat or usually 

 convolute, generally glaucous, cauline ones with very short or almost obso- 

 lete blades; panicle usually narrow, spike- like and close, or oblong and 

 somewhat expanded, 2-5' long; rays chiefly in threes, almost sessile, 

 or short-stalked ; spikelets about 3" long, ovate, 3-5-flowered ; glumes 

 nearly equal, acute, about 2" long, smooth, hyaline and (generally) purple- 

 tinged, except on the keel, compressed, 1 -nerved, or the upper indis- 

 tinctly 3-nerved and broadest at the middle ; flowers compressed and 

 keeled, not webbed at the base ; lower palet 2-2J" long, obtuse or acutish, 

 indistinctly or plainly 3-nerved ; keel curved, scarious and generally pur- 

 plish above, very light green below, smooth or softly puberulent, except on 

 the keel and margins, which arc more or less pubescent. This grass, which 

 19 BOT 



