SYNOPSIS OF THE FLORA OF COLORADO. 15 
AYTONIA ARCTICA, Adam var. MEGARHIZA, Gr. Sill. Jour. 
wv. 8 )33, p. 406. Root Srateen se ie leaves 1’/—6/ long, 2/’-12” wide, 
fleshy ; radical ones petioled, cauline ones lanceolate or linear-lanceo- 
late, Sopuaite sessile, racemes secund, subsessile; flowers large; petals 
obovate, subemarginate, 2-6” lon ng. Flowers from June to August. 
igh alpine, growing in crevices of the rock, its large, purple tap-root 
penetrating to a great depth. Flowers profuse, white, with pinkish veins, 
—Hall & ripe sei 83; Parry, 142. Gray’s Peak at 14 ,000 feet altitude, 
Coulter ; Redfiele 
Cuayro ONIA Spear Esch. & Ledeb. (C. aquatica, Nutt.) Stems . 
erect or decumbent, stoloniferous and rooting at the joints, becoming 
19} in length; roots bulbiferous; leaves opposite, spatulate, or oblong- 
obovate, attenuate below, rather obtuse, 1/—2/ roe on appar- 
ently axillary, peduncled, simple, few-tlowered; flov white, rather 
large; petals obovate, entire, twice longer than he fo ae all & 
Harbour , 84; Parry ; peeks s ‘ "Meehan ; 3; Brandegee ; Coulter. Banaras 
Cristo Range, Redfield 
ELATINACE. 
ELATINE AMERICANA, Arn.—On the Platte River, Hall & Harbour, 
59, 
HY PERICACEX. 
HyYPERiIcuM ScouLERI, Hook. Perennial, herbaceous; stems terete 
below, 6/-2° high; leaves oblong-obovate, "closely sessile or clasping, 
very obtuse, 3 long, not dotted, under-surface with numerous prominent 
veins; ¢yme compound; sepals broadly ovate, rather obtuse, 4 the length 
of the petals sepals, petals, and anthers dotted with black ; stamens 
numerous; styles 3, distinct, erect; capsules tricar rpellary ; placente 
united c the middle.—Common. Hall & Harbour, 58; Meehan ; Canby ; 
Brandegee ; Coulter. 
MALVACE XE. 
far LLIRRHOE INVOLUCRATA, Gr. Hirsute; stem branching, procum- 
leaves deeply 3-5- arted, covered with stellate hairs, segments 
qaee lanceolate, laciniately 35. toothed ; ebpiataae erect, 1-flow- 
ered, longer than the leaves; flowers few in a loose panicle, about 14’ in 
dia ameter, axillary, scarlet; bracteoles 3, tinuar tameenkate 3 the length 
of the deeply -parted calyx; earpels numerous, hairy, not wrinkled. 
—Purgatory River, Dr. Bell. Parry, 148 
SIDALCEA! MALVZFLORA, Gr. Glabrous or hispid, 19-3° high, simple; 
lower leaves roundish, more or less deeply 7-9 lobed, cauline mo 
i 
bracts; calyx hispid or tomentose, the lobes ovate, acute or. acuminate; 
flowers variable in size, 1—2’ in diameter, purple, occasionally white; 
Styles 7-8, free at the summit; stigma simple; carpels 7, pointless. 
—Middle elevationsin the mountains. North Park , Hayden. South P ark, 
-orter ; Canby; Brandegee. 
me 
