Bia 
Ty comers 
SYNOPSIS OF THE FLORA OF COLORADO. 145 
ith its una about twice longer.—Denver, Dr. Smiih. Cation City, 
Brandegee . 
Vaseyal COMATA, Thurber. Proc. Acad. Phil., March, 1863, p. 79. 
Culms 19°-2° high, erect, slender, from a creeping rhizoma, retrorsely pa- 
bescent at the nodes; sheaths scabrous, = long as the internodes; ligule 
short, fringed; leaves 3/-4’long, dull green, rough on both sides : ; panicle 
lead-colored, aa 4’ long; bre meee me Gehined, se sely tlo ere 
seabed short-pediceled, compressed, 13” long, pubescent; hola s nar- 
row, very a , Serrulate on the keel, lower one a lit . ger; awn 
rough and flexuose, purplish, 3-4 long. —Hall & Harbor 
CALAMAGROSTIS CANADENSIS, oe ee City ipsa Twin 
Lakes i Sierra Madre Range, Coulte 
5 27 
CALAMAGROSTIS STRIOTA, Tr in.—Cation City, Brandeg gee. Divide 
between Denver and Colorado Sprin sae eae 
TIS SYLVATICA, DC. Proce. Am. Acad. 6, p. &0. 
CALAMAGRO 
Root soaciiders Sates s imple, ak ficiee ‘rigid, pit Pan or scabrous be- 
ow the panicle ; ‘ares mostly revolute, scabrous; panicle contracted, 
2/4’ Jong, the branchlets erect; glumes ovate-lanceolate, sharply acu. 
ed, plumose; awn bent and twisted, exceeding the glumes.—Denver, 
the 
gat 
on, Smith; B. H. Smith ; Canby. Cafion City, Brandegee. Along t 
“Latt er 
ALAMAGROSTIS LONGIFOLIA, Hook.—Near Denver, Dr. Smith. Col- 
orado vi aban rita Sierra Mojado, Brandegee. 
ORYZOPSIS MICRANTHA, Thurber. (Urachne a Trin.) “ Leaves 
linear- arise convolute; branches of the panicle in pairs, many-flow- 
ered; spikelets shinin OB) florets smooth, a Coane plane than the linear, 
acutish glumes, awn a thrice longer than Sees cells of the 
anthers naked at the sno "—Steud. Glum., 199° Hal L& Sesiae, 
» Chiann Cafion and Glen Eyrie, Porter. 
Er1ocomA? cusrIpaTa, Nutt. Perennial; culms 1°-2° high, simple, 
rather rigid and som “—s scabrous; shea ths scabrous, equaling the 
internodes, the upper ones often dilated ; leaves narrow, convolute, 
. elongated, (2/—18’ ;) piel frequently included at base, dichotomously 
br. ranched, ‘the spikelets solitary upon capillary peduncles; glumes 244! 
long, usually more or less purple, pu signin outer palet deep brown, 
a long, the nearly straight triquetrous n 13/-2” long.—Ha ar- 
r, 633. Canon City, Brandeg ae On She plains and in the mountains, 
Porter, Platte River, near Denver, Dr. Smit 
oo Turez. (Ptilagrostis Mong watiea, Griseb. in Ledeb. Fi. 
inex)-Bionds , 1° high, with filiform leaves and a loose few-flowe 
panicle; the prices td glumes obtuse, about 2” long, sub-equal, pur- 
'Vaseya, Thurber. Spikelets 1-flowered, membranous-herbaceous, in a 
arrow 
crowdec panicle. Glumes l-nerved, be ina the abu’ nearly equal, the 
nearly equal, strongly - serie Sobenminatace at base, sean sieicole above, some- 
xceeding the persistent 
