o 
33 
Poa pratensis L. (Kentucky Blue- grass.) 
Nebraska: Central City, a tall, broad-leafed form, apparently native in Nebraska, 
growing always near ated on river banks, etc., found scantily near Platte 
19 (2007). 
Colorado: Georgetown, along mountain ee in veu: and on moist mountain 
sides, in some places rare, in others mon, in place growing with Dan- 
thonia parryi, August 17-20 (617, 623, 696, 654, 2384, 2398, 2413); Idaho Springs, 
in some places fiere in others ea in a moist, shies ' canyon and along 
rooks, August 27 (719, 722, 727); mon in a canyon, August 28 (2480) (a stout 
form, with wide pista ae 1 panicle). 
Wyoming: Green River, escaped along the river, not common, June 25 (2031). 
Idaho: Beaver Canyon, not common but apparently indigenous (2051), frequent in 
moist meadows, June 2 x os growing e in damp woods on n moun- 
in si 8 
e fo ay), Jul 
(329, 8 ein -— abundant 
(2101), July 7 (360), July 6 (2102) 
(a taller form growing in wetter 
oe with less purple panicle) ; 
r Lodge, fre pinte 
n = river, 2 tall, very leafy 
z 5 exc elle bh pa hay, 
ici 9 (376, 2133); Tow nsend, in 
ne e er, sca 
denso mn in pues shady 
FIG. 24.— False Red-top (Poa flava). 
near ation, 
searce, July 22 (2215, 2211), vosamional along a stream in Bozeman pep on (489), 
scarce, in woods near Mystic Lake, July 25 (484) (a stout form with wide blades 
and large panicle); Melrose, August 1 (2295); Lima, comparatively common in 
the eanyon, August 6 (2310). 
Poa rupestris Vasey, not Bieb. 
Colorado: Silver Plume, occasional on mountain summits, altitude 11,000 to 13,000 
feet, August 24 (694, 2454). Apparently a reduced form of P. nemoralis. 
Poa flava Linn. (P. serotina, Ehrh.) (fig. 24). 
Colorado: Georgetown, scarce, along the margin of Clear Creek, August Me (663, 
; Idaho Springs, common along a shady brook, August 27-28 (716, 2478 
Montis: Helena, among bushes n 5 arm 3 July 13 (2144, Poda hi eben 
send, near the Missouri River, rare, July 15 (2162); Manhattan, rather com- 
mon in wet woods near the river, July 17 (4273, 2190); Bozeman, occasi 9 855 in 
8621 No. 5 
