36 SYNOPSIS OF THE FLORA OF COLORADO. 
all its haa Ne 11 leaflets and bright yellow flowers, from Bi Pass, 
Porter. Gray’s Peak, Dr. Smith. Saint Vrain Cation, Coulte 
. POTENTILLA GLANDULOSA, Lindl., (P. fissa, Nutt.) Watoon’s ins she 
p. 552. More slender and branched vee cae former, 1°-2° hig "less 
pubescent; leatlets 5-9, 1’ long or less; cyme par anicled with elongata 
branches and more slender medion: ork ers often smaller; calyx less 
tomentose; bractlets ce, - als yellow, sometimes white; stamens 
20-25.—Colorado , fide Wat 
POTENTILLA Nveron: L. Watson’s Rev., l. ¢., p.552. Gray’s Man- 
ual, p. 154.—Denver, Dr. Smith ; B. H. Smith. Cation City, Brandegee. 
joo tei Park, ene ". 
Por LA RIVALIS, Nutt. Watson’s Rev., l. c.,p.552. More slender 
than ie former, diffusely branched even from the base; pubescence 
softly villous; stipules lanceolate to ovate; leaves pimate with 2 pairs 
of closely approximate leaflets, or a single pair and the terminal leaflet 
3-parted; the piven leaves ternate; leaflets ovate or oblong-cuneate or 
lanceolate, 1’/-14/ long, more or less Regriesayrn cal eyes s loose, less 
leafy, with slender gait brac tlets and sepals equal, 13-3” long; 
petals minute; stame see dsnally smooth ; receptacle short. 
Var. MILLEGRANA, “Watebn. (P. millegrana, Eng.) Leaves all ter- 
nate; stems erect or weak and ascending; achenia often small and light- 
colored.—Colorado, fide Watson in King’s Report 
POTENTILLA PENNSYLVANICA, L., var. StRIGOSA, Pursh. Wats 
904, Low, 6 
Rev.,l.¢., ow, 6/-15/ high; stems erect, le F caihot pines pti 
mostly tomentose on both surfaces, paler beneath, d y pectinate- 
divided or pinnatifid, panense linear, entire, with revolute margins; 
stipules laciniate—Hall & Harbour, 162; Porter. Cation City, Brandegee. 
oe Mountain near Fairplay, Coulter. 
POTENTILLA HipprANA, Lehm. (P. Pennsylvanica, L., var. Hippiana, 
T.& G. Fl. N. Am.) Watson's Rev., le. ,p. 555. Densel white—tomentose 
and silky throughout; the upper surface of the leaves a little darker; 
stems ascending, 10-150 high, slender, branching above into a diffuse 
cyme; stipules usually entire; leaves pinnate, occasionally digitate; 
aflets 5-11, cuneate-oblong, 1/-2’ long, obtuse, incisely-toothed, at 
least towards the apex, margins not revolute; pedicels slender; bract- _ i 
lets narrow; petals 24 3yr long, exceeding the ‘calyx; styles filiform, not 
ear 
concen at base, terminal; carpels 10-30.- —Hall & Har bour, 158. 
Denver, Dr. Smith; Ca anby. Colorado Springs, Porter. Canton City, 
Brantege Ute Pas s and Twin Lakes, Cou 
OTENTILLA EFFUSA, Dougl. Watson's . - ¢., p. 555. Canesecently 
tomentose with scattered villous hairs; ste ems asce cena ing, diffuse 
branched above, 4/-12’ high; stipules lanceolate, entire or incised ; 
leaflets 5-11, REY pinnate, the alternate ones often smaller, 
oe coarsely incised-serrate or dentate, the smaller leaflets 
3-5 t Meio Shoda: ; sepals and the much smaller bractlets 
acuminate Di_3it oi or exceeding the obcordate petals; — . 
carpels 10,—South Park, Por 3 
Pikeweici PLATTENSIS, nae Wenees Rev., 1. ¢., p. 556. - thed — 
with a minute appressed pubescence; s 6 high, weak, decumbent; — 
leaves pinnately 7-13 pan fg pasty 3-5 “folio late ; leaflets 
d; 
radic: 4 
anne, deeply pinnatifid-incised; the segments 3-7, oblon ong Or 
linear; mig te ite, broadly ovate or lanceolate, entire, Peery few- 
fi 
te 
a little longer ‘Gas the acuminate caly x-segments.—Common in wet 
slender, elongated; petals obcordate, 2//-3/’ long, 
Loe Ve a Sees 
Ree 
ie 
