31 
Dactylis glomerata Linn. 
Colorado: Georgetown, August 17 (625). 
Poa alpina Linn. 
Colorado: Georgetown, in wet sandy soil, scarce, August 20 (662, 2386) ; pei Meses 
along the margins of a brook at the foot of Grays Peak, August 23 (68 
Montana: Lima, in moist thickets along a mountain "ap August 6 605 vd ~ 
Bozeman, in the canyon below Mystic Lake, scarce, July 25 (2234), and with this 
a few s (2236) was found a form with elongated leaves and larger panicle 
and apikale: 
Poa annua Linn. 
Colorado: Georgetown, in moist places, common, August 18 (652, 2385). 
- Utah: Echo, common along a small stream, August 13 (2357). 
Poa arctica R. Br. 
Colorado: Silver Plume, frequent along the peor oni of a Sapa near timber line, 
* altitude about 10,000 feet, August 24 (676, 699); G Peak, in moist places near 
Stephen's mine, altitude 11,000 to 12,000 feet, tn 23 (682, 2443). 
a Vasey. (P. andina Nutt.). 
Nebraska: aci abundant in the drier meadows along the Platte River, consti- 
tuting about half the grass; it makes a turf inferior to t sis, 
but grows in much poorer and harder soil, where it might be substituted for that 
species; it does not grow in the driest places and is h commended 
: for the arid regions unless it can receive a comparatively good suppl 
i Sometimes cut for hay, but better suited for pasture; June 20 (270, 2017). 
Wyoming: Green River, frequent in meadows, June 25 (287). 
Poa cæsia J. E. Smit 
Colorado: Silver MR growing in a gulch, occasional, altitude about 11,000 feet, 
August 27 (667). 
Poa compressa Linn. 
Colorado: Georgetown, meadows, August 19 (650, 2406). 
ntana: Deer 8 July 9 (21324); Helena, along streams and irrigating ditches, 
July 13 (382, 399, 2143). 
Poa cusickii Vasey. 
Idaho: Beaver Canyon, on the foothills and mountains, in woods, June 27 (309, 2055). 
oa epilis Scribn. ( P. cuspidata Vasey, in part). 
dr: 'Silver Plume, along streams upon the mountain sides, common, altitude, 
3,000 feet, August 24 (702, 712, 2471). This grass has been fu 
with P. cuspidata Vasey, which, according to type specimens, is P. wheeleri. 
v Poa fendleriana spicata. (Vasey) Seribn. (P. arida spicata Vasey). 
= Colorado: Silver Plume, along mountain streams, altitude 11,000 feet, August 21 a 
672 3 Grays Peak, in woods at the foot of Grays Peak, scarce, August 
685, 2 
Montana: Tine on sand bars in the Missouri River, rare, July 15 (2158); Silver 
Bow, a bunch grass growing very sparingly on the hillsides, July 8 (2112); Man- 
hattan, in a meadow, not common, July 17 (2178). This differs from the species 
in its taller habit, longer, narrower, and interrupted greenish panicle. 
vPoa levigata Scribn. (P. levis Vasey, not € 
Plant somewhat glaucous; culms e:espitose; the dry, persistent basal sheaths dnt 
rigid ; es rather short, narrow, incor involute, rigid; panicle narrow 
spikelets ip as in Poa buckleyana 
Wyoming: Green r,on very dry hills, but only in seattered bunches, June 25 
(2039). A low, 3 form. 
