62 SYNOPSIS OF THE FLORA OF COLORADO. 
‘-12/ long; leaves small, entire, acute, the radical somewhat spatulate, 
narrowed into a short pet tiole, the cauline scattered, sessile, linear, nar- 
rowed at the base; heads small, mostly solitary, terminating the naked 
branchlets or peduncles; rays very narrow and numerous, twice the 
length of the hirsute involucre, purplish; inner pappus of Pig t very 
slender and deciduous bristles.— Hall & Harbour, 237 and 246; Hoopes. 
Chic O Lakes, at 12 2000 feet Ret Coulter. Brandegee ; ‘Dr. Smith. 
Deloss Springs, Por 
ERIGERON CANUM, po Pl. Fendl., p. 67. Stems 3/-4’ high, simple 
leafy to the summit, ‘from a thick root, cespitose, bearing single heads, 
sttky nt as well as the very entire, linear-spatulate leaves; rays 
white, in about one series, twice longer than the white-hirsute involuere; 
achenia very glabrous, narrow, with about = couanicnote ribs; pappus 
of the ray and disk stanflar, double, the outer of very short subulate 
setaceous bristles.—‘‘Common on low Seed Hall & Harbour, 244 
(as Ht. els Nutt.) 
GUTIERREZIA! HuTHAMLA, T.& G. Stems woody and much branched 
the 6 numerous, 6/- ar high, angled, leaves crowded, narrowly 
Taser, acute, attenuate at the base, 1’/- iy long 4-1" wide, 1-nerved, 
scabrous, punctate, resinous and sometimes ast ie “dl ; cory mb com- 
und, fastigiate, contracted; heads small, glomerate, turbin: ite-cylin- 
drical; involucre scareely Qi lon dit ad, narrowly obovate; 
flowers of the ray 2-5, the disk 3-6; pappus of 9-10 ee unequal, 
erose-denticulate, chatty scales, a litt tle shorter than the achenium.— _ 
Hall & Harbour, 294. Caton City, Brandegee. Near Denver, Dr. Smith. 
SoLmpae O VIRGA-AUREA, L., var. MULTIRADIATA, T. & G. Stems vil- 
lose-pubescent especially towards the summit, mostly simple, 8’-15! high; 
leaves ciliate, oblong-lanceolate; radical ones obovate and narrowed 
voc a petiole; heads large, in ’a dense compound raceme or loosely 
ymbose; scaies of the involucre ciliolate, acute; rays 8-18.—Hall & 
erkour, eee Sierra Madre Range and Twin Lakes, Ooilide. George- 
town, Dr. Sm 
Var. ALPINA, \, Big. —Gray’s Peak, Dr. Smith. South Park, Twin Lake 
Creek and Horse Shoe Mountain, at 11,000 feet altitude, Coulter. 
Var. HUMILIS, Gr. (8. humilis, Pursh.)—Sierra Madre Range, Coulter: 
SoLIDAG 0 GUIRADONIS, = Proc. Am. Ac., v.6,p. 543. Smooth, stem 
a © high, fr leaves — 
slender, erect, 249-3 h, from a woody rhizoma ; lowest. leav 
lanc ecole, “6 ‘long, 35! b broad, tapering into a margined petiole, the 
canline on ag narrowly linear, 2/-3/ long, 3-5” broad; panicle erect, 
not one-sidle very narrow and composed of few and rather small : 
heads; involucral scales, linear, acuminate, the midvein broad and [ 
' GUTIERREZIA, Lagasca. Heads small or middle-sized, 6-90 flowered ; the rays pistil a 
late, fertile ; the d c lisk-flowers tubular, perfect and fertile. Tiveluat varying from 2 
rowly-obe conic to broadly-hemispherical ; the scales closely imbricated in several me oy 
rigid, an oontane herbaceous tips. Receptacle naked. Corollas yellow; of the 
Tay eal, fetes or linear; of the funnel-shaped, 5- , the teeth or Te~ 
Branches of the style in the ray- r, linear, rth ; the stigmatic lines 
ending to the top; in the disk with the hairy appendages shorter or sev: 
poms than the suman portion. Achen long or ce, terete or som 
- com apy e disk composed of several oblong or linear chaffy scales, OF 
redtced ne a ey sae niform ler; heres ray similar to that of the disk, but 
comm: maller or sometimes obsolete.— y perennial and suftratic ‘ose plants 0 
North ye Soask America, with glabrous’ and of Ae resinous-dotted or varnished 
and entire, or broader and den ticulate leaves 
