70 SYNOPSIS OF THE FLORA OF COLORADO. 
root, with lateral decumbent branches, slightly pubescent; leaves lan- 
eolate in outline, 6’ long, interruptedly bipinnatifid, nearly perches 
above, closely canescent-tomentose beneath, segments subovate, acute, 
confluent on the wide tania: ‘aterile involucres about 5-6 toothed; fertile 
flowers few; fruit spiny.—Near Denver, Greene. 
_—  AZInniA! GRispirion, Nutt. Stems numerous, much-branched from 
a woody base, 4/5’ hi h, somewhat hirsute; leaves o opposite, linear, 
connate, with scabrous mar gins, 1’ long, 2-3” wide; scales of the in- 
volucre rounded, closely imbricated; rays sella) ery large, oo 
oval, 3 wide; pale fimbriate; achenia of the disk with 1asingle awn.— — } 
Canon City, Brandes egee. Colorado Springs, Redfield 
HELIOPSIS L®vis, Pursh.—Near Caiion City, Brandegee. 
UDBECKIA LACINIATA, L. = ee City, Brandegee. B. H. Smith 
Sierra Madre Range, Coulte er. ; 
Pid tite HIRTA, L.—On the Platte uear Denver and Bear Creek, 
Coul at 
EPACHYS COLUMNARIS, T. & G, Strigose-scabrous, branched from 
the base, 1°-2° high; radical leaves usually undivided, spatulate-lance- . 
olate, cauline ones ; pinnately- parted, the upper sessile, ‘seg ments linear- : 
lanceolate or oblong, rigid, mucronulate, Rie duke rarely somewhat lobed; 
disk columnar, longer than the 5-8 oblot i obovate-oval, recurved, } 
yellow rays; ‘hon with wally tips. Dis ok 1’ or more long. —Abundant 
on the pine st nd Denver. sh: Colorado Seige Hall & Harbour, 
gee 
7 
caesar "5 
— 
Va ar. @hontie, G +. £7, Wright, ai! Dy San “Rays deep reds brown.— 
Purgatory River, Dr. Bell. Pueblo , Gre 
HELIANTHUS PETIOLARIS, Nutt. T. & @. F Ll. ee , p. 319. 
erect, 19-3° high, strigose or hispid, branching; leaves scabrous, alter- 7 
nate, the lower so inetimes opposite, ovate-lanceolate or ovate, entire 0 : 
somewhat tepnhi eatioeds 3-nerved, on very long, slender, scabrous 
petioles; peduncles terminal, naked, bearing solitary (usually large) 
eads;. scales of the involucre lanceolate, acute or acuminate; disk- j 
flowers pubescent at base; achenia estat pappus of two chafty awDs. 
eads very variable in size. —Near Den r, Dr. Smith. PlainsnearColo- _ 
ra Springs, Porter. Caiion.City. Birondeger Meehan. Along the : 
Platte, € — Hall & Harbour, 270; Parry, 4 es 
_ oa HUS LENTICULARIS, Dot vei Annu i, sca broae or binges 
aha oa sanet, 3°-8° high; leaves ovate, alte bear acuminate, coar 
serrate, 3/—6’ long, 2/—4/ broad, 3-nerved at the base a suc dden nly nar- 
rowed into a petiole eee) as me * s the leaf, pepe ones p= 
scales 
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1 ZInNiA, b. Hea many y-flowered; the ray- and a sti illate, those of the disk tubn- 
lar, saetees: Inv oluen re he vere ate; ‘the seales roundish ¢ tyr margined. Receptacle 
01 tpn or somewhat cylindrical, seta, with pitonis eonuduplicate, chafty seales which 
velope the disk flowers. Rays obovate or oblong, coriaceous, reticulated, persistent, 
continuous with the summit of the acheninm, or rarely somewhat articulated. Lobes 
oroll: the disk ¢ it wi 
pers of the style in the disk-flowers terminated by a hairy somew what capitate 
one.” Achenia nearly wingless; those of Lng! = ay somewhat 3-sided, momly — se 
of pappus; of the fie igen npreaeod or flat, 1 hed, 4 é 
n) herbs, with opposite mostly ‘eiaibar intite leaves. Hea: 
_ gti ane eis aang: Rays purple, oran cute dies 
