SYNOPSIS OF THE FLORA OF COLORADO. 75 
oni ium.” We have adopted for this variable’ species the Se = 
mended description of Prof. Eaton in King’s Report, vol. 5, p. 172. 
Ba ul & Harbour, 283; Parry; Canby. Upper “a fiea sri. Porter 
Sangre de Cristo Pass and Sierra Mojado, ae ee Twin Lakes, 
Mount La Plata, and Sierra — yea Coulter 
HYMENOPAPPUS TENU TFOLIUS a SR te hitened- tomentose, often 
becoming ao ish; stems 5S/+15’ high, leafy at base, sparingly 
oe epee toward the summit, sometimes Panes. from a rather stout, 
mple o O BEnnthied: perenni nial erated; radical leaves petioled, 2’-4/ 
ui: 93 cpihHeaty divided, divisions very narrowly linear, cauline ones 
Moraes ata but smaller or reduced above the linear bracts ; heads 
pedune , 4-6” wide, Enel eebicr aN peo gat lear A he scales of the in- 
fans 1ere "6-8,, oval, appressed, with broad, obscurely-denticulated, searious 
argins ; corolla-tude very short, throat p denies tly inflated ; pappus of 
spatulate oblong, cabpriak slightly-erose scales, nerved to the middle, 
ostly as ah = the e of the corolla.a—Hall & Harbour, 282. Uppe 
n oh ansas, Porter. Cation City, Brandegee. Plains of the Platte, Coulter. 
Wet sepia Falley, Redjieid. 
BAHIA! OPPOSITIVOLIA, 1. & G. Perennial, canescently pubescent, 
very much Se ciae trom the base upward, ‘4! 8’ high; branches op- 
posite, moré or less spreading or decumbent: leaves. opposite, petio- 
late, 1-2 palm ‘ely a heetee ed, segments linear or lance-linear, about 1’ 
long; padunaiant etanel inv oluere Sotrcend scales 5-8: oblong- 
ovate; rays about the same number, y short; pappus minute, scales 
5-8, partly bee somewhat lacie "Mehienitin ected tapering to 
th Mase: sparingly seabrous.—Hall & Harbour, A Jenver, 
Dr. Snith, Colorado Springs, Porter. " Cafion Oty, Prandegées Canby. 
VILLANOVA? CHRY SANTHEMOIDES, Gr. Pl. Wright., 2, p. 96. Puber- 
ulent; stems erect, 1°-4° high, corymbosely-paniculate above; flowering 
branches and peduncles viscous-glandular; leaves alternate, 1-2. ter- 
nately parted, segments 2-3 lobed or pinnatitid, lo bes oblong or sub- 
linear, obtuse; heads 6” in diameter nn righ of the figifes which are 
5 long; flowers all yellow; scales of the involucre 16 20, in about 3 
Series, equal, acuminate, epee ligules 16-20, oval-oblong ; flow- 
ers of the disk many, tubes elandular ; ; receptacle ‘aie convex ; ’ ache- 
hia earns hep a clavate, nearly elabrous, striate, all fertile — —Hall& 
Harbor Cafion City, Br andegee. Soda Springs, Porter. Twin 
Bakes, Sate ae 
ACTINELLA ACAULIS, by. Cxespitose, rathaen and ac erm nt, villous 
pu beste nt or silky ; caudex Sieh irr simple or bra ity ; leaves all 
Eitien!, spatulate or linear-obovate, et ae oy bole sé ioe 1/6 high, 
tally — “ nd yeoosle ing’ a eitgle gene 9-15! broad ; involuere of 
ws of ov oblong seales, equaling the disk; rays 10-12, broadly 
enmeate, 3- toothed pace often sprinkled with resinous atouis : pappus of of 
Ban 4, Lagasea Heads m any “flow ered, radiate ; rays 5 5-30, pistillate, fertile; d le; disk- 
Bowers: tubular perfect fertile ; corollas g hairy, 5-toot ~ Involucre enti 
. appresse wo eceptacle convex 
or conical; naked branches of the style in poy Suk -fawe él meek, "thiekenet ab ss apex, 
d obtuse, or truncate, or with a bata bara appendage. Achenia narrowly tur- 
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te or linear, 4-sided. Pappus acrown of short scarious nerveless or ey aoe ce ae ; 
aay mem scales. 
— vA, Lagasca, DC. Prod. 6, p. 75. Heads: few-tlowered,* pense 
orets “5-10, a ligulate, obovate, toothed at the apex. Flowers of the 
