SYNOPSIS OF THE FLORA OF COLORADO. 83 
SENECIO BIGELOVII, Gr. in Bot. whan. 30 cites Pacif. R. R. Surv., 4, 
p. 111. ae ane stem s sim ple, pei ect, 18/-2°, from a perennial 
root, racemose at the summit, be ear 31S heads; leaves ovate-lan- 
ceolate, acumin oe shar tiles cree sentnaas contracted into a large mar- 
gined pe eect uppermost lanceolate, narrowed at the base, partly clasp- 
ing; heads large, nodding, homogamous; involucre broadly eampanu- 
late, with a ne short setaceous bracteoles at base; scales 10-12 2, acute, 
equal, outer ones es arn inner ones broader, scarious-margiped ; 
_ Fays.none ; achenia very glabrous. 
Var. HALLU, te Proce. Acad. "Phat il., March, 1863, p. 67. Note. Leaves 
almost all Salasenlata, more or less woolly pubes scent, hairs articulated ; 
aan eaves all sessile or the lowest contracted it nto a winged petiole. 
arbour, 321. Canby. Oe City, Brandegee. Mount Elbert 
nd slot Madre. Range, Coulte 
SENECIO AMPLECTENS, Gr. lc. Slightly been: becoming glabrate; 
: stem 6/-15’ high from a perennial root, naked at the apex, bearing 1-3 
. heads; leaves i seriopaatiattee oblong or lingulate, either repand or 
very sharply- toothed or even sub-laciniate, lowest narrowe 
or attenuated into a winged petiole, upper sessile, half-clasping by a 
: broad base; heads upon long, slender peduncles, nodding ; involucre 
; loosely ealyeulate ; rays aan ir, elongate oy 1’-2’ long, golden-yellow ; 
achenia very smooth.—Hall & Ha: rbour, 317. Canby. Gray’s Peak, 
Smith ; Meehan. White House Mountain, at 13,000 feet altitude, La 
“Sanat Mountain, at 12,000 feet, and Horse Shoe Mountain, at 11,000 feet, 
lt 
Sy ES 
Var. TARAXACOIDES, Gr. I. c. Truly alpine; 2/-5! high, bearing a single 
ead; head smaller, less nodding ; rays less than 1’ lon ng; leaves all 
4 Ietenvutsa at ase, more or less laciniate—Summit of Pike’s Peak, 
Canby. Sange de Cristo Pass, Brandegee. Ay 
SENECIO SOLDANELLA,Gr. Proc. At, A adh , March, 1863, p. 67. Note. ie 
fo Subcaulescent, 4’/-5/ high; very dhol sub- glau ucous; stems bearing al 
Single head, rarely more; root fasciculate-fibrous ; ; leaves thick, purple- 
inged beneatl ical and lowest orbiculate, occasionally somewhat 
reniform, contracted at the 3-nerved base into a long or very long flat 
petiole, often somewhat denticulate, 1/-2/ in diame ter, upper ones 1-3, 
smaller, oblong or spatulate, on short dilated peisetes; heads large, some- 
j what nodding, 8-12” broad and about as long; scales of the involucre 
senceolate, with scarious margin By 16-20, swith: 7-9 of the outer ones nar- 
e de Cristo Pass, Brandegee. Mount La Plata, at 2000 feet 
alta yom ge e House Mountain, at 13,000 feet, Coulter. 
F SENECI 10 iisoL ws Porter, (n. sp.) Very smooth; stems, as well as 
Aine petioles and under surfaces of the leaves, bright purple, numero 
ascending from a long, slender, creeping purple stock, 14/2’ high, 
leaves clustered at the base, all reniform, peel pea: ze erenate-lobed, 4’ ie 
" 6 long, on flattened petioles of the same length, dark green above; up- 
‘ rleaves 1 1-2, spatulate, oe sessile ; ; peduncle somewhat sce ia 
erect head, abo road of 
ealyeulate seales few, minute, subulate; rays oblong, about 
4 in i lena bright yellow ; achenia cisbwtieds High a alpine.— White 
Mountain, at 13,000 feet altitude, Coulter. : 
