34 
Bozeman Canyon, July 25 (499) (a form approaching Poa nemoralis); Logan 
scarce, in a moist thicket near Gallatin River, apparently an excellent crass, 
July 27 (513, 2267) ; ni latin, in a ditch near the river (2289), scarce, in a dried- up 
pond, July 29 (532 
1 
Poa subaristata Scribn. (in Beal, Grasses N. Am., 2: 533). 
Idaho: Beaver Canyon, common on dry hills, where it is one of the most valuable 
2056 
past : 
Montana: Lima, common on hills and mountains, forming a considerable per 
centage of the grass and furnishing good pasturage, June 30-July 1 (311, 315, 
321, 322, 323, 2075, typical). Nos. 311, 315, and 2056 are doubtfully referred here. 
Poa suksdorfii Vasey. 
Colorado: Silver Plume, very rare, on the summit of the moun- 
— altitude 13,000 feet, August 24. * 
Montana: Lima, oceasional on hillsides and mountains, June 30 
(312) 
Poa buckleyana Nash (P. tenuifolia Buckl.) (fig. 25). 
Colorado: Georgetown, only one small s found, leaves more 
or less glaucous, Angust 1 7 (2390); er Plume, a ‘‘ bunch- 
grass" comparatively eommon in a (iin (2428), scarce 
along the margin of a mountain brook, August 21-24 
Wyoming: Dry prairies along the Union Pacific Railway, 
June 24 (280); Green Riv er, in a meadow near the river, 
Idaho: Beaver Canyon, common on gravelly mountain sides and 
dry hills, pei AA a considerable part of the pasturage, 
June 2 308, i); in woods, June 28 (2063 
Montana: Bozeman, common on stony mountain sides, July 23 
(467), only two specimens found in a canyon below Mystic 
Lake, J uly 25 (2260) (a lax form with slightly pubescent : 
flowering g glumes, probably growingin wet ground): Lima, : 
in a meadow near a stream, August 5 (2321). 
Poa wheeleri Vasey. 
Colorado: Silver Plume, common along the brook, August 21-24 
(105, 2419, sr 2462, 24623); occasional along a stream i 
gulch, altitude abont 11, set, August 21 (665, 674); along 4 
1G. 25.—Bunch Red- 
top (Poa buckley- 
ana). 
a brook near timber lios, August 24 (698, 701, 710). 
Idaho: Beaver Canyon, on wooded hillsides, a very common and 
luxuriant apparently valuable grass, June 27 (297, 2059). E 
Montana: ie meer very scarce on the gravelly bank of a brook in Bozeman Canyon, 
July 25 (478 
Utah: Logan, in d ground near the summit of a mountain, scarce, August 9 
590, 591). 
Puccinellia airoides (Nutt.) Wats. & Coult. (Poa airoides Nutt.) (fig. 26). 
yoming: Along Green River, June 25 (286, 2033). 
Montana: Dillon, irrigated meadows, not common, July 3 (331), August 2 (2298); 
fanhattan, wet meadows, July 19 (2198); Helena, along irrigating ditches, 
July 1 2 (380, 2135); Silver Bow, in dry places by the roadside, July 8 (359); Mel- 
rose, in meadows, searce, 1 1 (545 
Panicularia aquatica (Linn.) Kuntze. (Glyceria aquatica J. E. Smith). 
Utah: Echo, about a mill pond, August 13 (2354). 
