SYNOPSIS OF THE FLORA OF COLORADO, 81 
what blackened. ee & Harbour, 325. Gray’s Peak, Dr. Smith. 
Sangre de Cristo Pass, Brandegee. Meehan. Clear Creek Caiion and 
Mount Lincoln, at 12, 000 feet altitude, Coulter. 
SENECIO TRIANGULARIS, Hook. Glabrous bg yeti stems 20-49 
high, simple, striate, leafy, 3-4 from one root; leaves 3/5! long, 14/-3/ 
wide, deltoid-ovate or triangular- lanceolate, Wiaeots “oh anaes re- 
A pand-dentate or cut-toothed acute, truneate or subcordat he base or 
. abruptly narrowed into a winged petiole yen rather inked, ’ long, 
few ina looseo orymb; involuere subeylindraceous, 
with a few st abslate bractlets at hase ay jews t 15, lanceolate, with 
=e elate tips; rays 6-9, less than twice as long as the involuecre; 
enia aia te, glabrous.— Hall Harbour, 323. Twin Lakes and 
eens Lincoln, at 12,000 feet altitude, Coulter 
SENECIO ANDINUS, Nutt. Glabrous; pietins many from one root, 
2°-4° high, simple, striate, very leafy; leaves 3/5’ long, 3/-10” wide, 
linear-lanceolate, acute at both ends, sharply serrulate with incurved 
teeth, upper ones sessile, lower ones short-petioled ; heads 4” lon 
numero ous, in paatie cled corymbs ; involucres caly 5 ig with small subu- 
late bracts; rays — disk-flowers 12-20; achenia glabrous.—Hall & 
Harbour, 324. Sierra Madre Range, oulter. 
SENECIO Jocniolee depileati Nutt. cocmets throughout; stem simple, 
striate, 12/-18’ high; leaves entire; radical ones 3/—5’ long and 1/-2/ 
wide, rather obtuse, tapering in toa petiole, somewhat fleshy, upper 
small, lanceolate, pee partly clasping; corymb simple or nearly so; 
heads rather large, 8-20; =a ae ea bracteolate, seales 
15-20, narrowl kaali acute, rays about 8, small; disk flowers 40-50; 
ate striate, nearly’ glabrous * Hall & Harbour, 318. “ A low form: 
ne,” 
oo bidtitere AUREUS, L. An extremely variable species, very cnr 
among the mountains, of which the following are the most marked varie 
ties : 
Var. ALPINUS. Gr., Sill. Jour. (N. S.) v. 33, p. 11. Stem scapiform 
“4 bearing 1-2 heads, 3’ hi , bracteate ; radical leaves coriaceous, rounded 
or 
at the apex. bour, 22 hite House Mountain, at 13, 
feet altitude, One The specimens of ee last collection have the 
leaves more denticulate ; heads sometimes 
: /3 Var Soh ganereba ms get TUS, | Gr. Pro. Am. ica March, 1863, p. 68. Note 
oblanceolate or ‘epatalate- linear, aachhuats at the base, erect, ¢ 
ri very entire, margins frequently revolute, codianey gla- 
brate, with the petiole 2/4’ long, 2-3” broad; scapes 3-5’ high, 
racts few, subulate-setaceous, wrapped in wool; corymb 3-8 
ae & Harbour. Ule ar Creek Cation, Coulter. 
Aen ar. oBOVATUS, T. & G. Radical leaves roundish-obovate or broad- 
y gpesataes toothed or serrated.—W hite House Mountain, at 11,500 feet 
Coulter. 
‘4 . van. BOREAL 1s, T. & G@. Smooth; radical leaves thickish, obovate or 
fe sngpany entire or crenulate-toothed at the apex only. —Hall & Har- 
; Dr. Smith; B. H. Smith. Clear Creek Caiion and Twin Lakes, 
_ Var. Batsamrra, T. & G. More or less woolly, becoming glabrous ; 
-Tadical leaves orale and oblong, spatulate and lanceolate, crenate, sharp- 
ly erenate-toothed or lyrately-incised ; achenia glabrous or s — 
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