SYNOPSIS OF THE FLORA OF COLORADO. 37 
Sec Hall & Harbour 161. South Park, Porter. Wet Mountain 
Valley ; Brandegee 
cnc DISSECTA, Pursh. (P. diversifolia, Lehm.) Watson’s Rev., 
l.c., p.556, Low, alpine, more or less silky-villous with somewhat spread- 
ing hairs, or nearly glabrot 1s; stems decumbent or ascending, 3/-12/ 
long; stipules ovate lanceolate, entire; flets 5-7 
rarely bu often glaucous, closely pinnate, or as frequently digi- 
tate, the Bs, Loe one 1’ long or less, cuneate-oblong, rt ~ ratitid 
or ser the lowest often but trifid, the segments acute or acu ad 
mire or ape tufted with white hairs; flowers few, on ine oie in 
n open cyme; calyx more or less villous with spreading aieast 1e bract- 
lets short, aie peace sepals shorter than the petals, which are 2//— 
4” long, obovate and retuse or obeordate; receptacle very villous; car- 
pels 10-20, or more.—Mountains near Denver, and Ciear Creek Canon, 
acs pi Sangre de Cristo Pass, Brandegee. Gray’ 8s Peak, Dr. Sinith. 
.GLAUCOPHYLLA. Lehm. Glaucous-green; leaves digitate, nearly 
ghabrots ou both sides; leatlets silky on the margin, with unequal seg- 
ts.—Parry, 219; re 
Sy serial: GRACILIS , Dougl. Watson’s Rev., l. ¢., p. 557. Assis and 
more or less tomentose; stems 2°-3° high; stipes ee or lanceo- 
late, entire or subineised; niga poet! (* etimes ry “s ‘ly 
but 3, euneate-oblong, o fuse cisely s rrate Pepe vansatitd, tomentose 
beneath, green above and fue ious in ‘arpreneed: silky, 1/-2}’ long 
owers in a loose subfastigiate cyme, the pedicels at length elongated 
and ender) ealyx with the narrow bractlets shorter than t e broa 
acute or lar rceolate sepals; petals broadly obcordate, 3p Shae ‘ 
little exceeding oe calyx; carpels very numerous, (40 or more. )—Gray’s 
Peak, ae are 
Vane IDA, Nea on. (P. rigida, Nutt., not Wall. P. Nuttallii, Lehm.) 
Am aera stous "and aa form, villous but ‘without tomentum; the “Soe 
loose or crowded; the leaves often large, ong o r more, a nd p 
inently veined beneath.—Hall & Ha rbour, 199 in part and 158 in ate. 
POTENTILLA HUMIFUSA, Nutt. (2. concinna, Rich.) Watson’s Rev., l. ¢. 
p.558. Densely white-tomentose and silky-villous; stems deeu umbent, 
2’-4' long, slender; leaflets 5, cuneate-oblong, 6-9” long, green and ap- 
pressed. silky above, only the rounded or truncate apex serrate wit 
3-5 teeth; flowers 3-5, on slender pedicels; bractlets narrow, shorter 
than the ‘acute sepals; petals 2/’-3” long, obcordate, exceeding the 
calyx; carpels 15— “i Subalpine—Hall & Harbour, 157. Marsh near 
Long’s Pe rs Eecar 
PoTENT IVEA, L. Watson’s Rev.,l. ¢., p. 558. Pubescence silky- 
villous, often presen aan white- tomentose on the under side of 
the leaves and sometimes upon the calyx; stems 2/-12/ high; leaflets 
cuneate- Poti or oblong, 3’’-8” long, coarsely incised-serrate or pin- 
hatifid, the terminal one ‘sessile or petiolulate; ; flowers few or solitary, - 
on slender pe pedicels; bractlets acute or acutish, shorter igesg see sepals; 
petals Ded long; eld few or many.—Parry, 214 an 3. Va 
PorEeNTILLA GRAYI, Watson, in Rev. l.c., p. 560. Ps onc scanty, 
villous; iodo ete ey 3/-6" high, 3-6 flow ered; stipules ovate or 0 
long, en ntire 5 leaflets very broad and sis Bosoelotat: ¥ long, the trun- 
cate or rounded apex 5-7-toothed, the middle leaflet long-petiolulate ; 
Sepals acute, the bractlets but half as long and obtusish; petals 2/— 
3” long, orbicular, tres exceeding the calyx; carpels 15-20.—Gray’s 
Peak, Dr. Gray. 
