o 
ad 
122 “SYNOPSIS OF THE FLORA OF COLORADO, 
More woolly; leaves oblong or linear-oblong, margins more or less rev- 
lute; eyme many-flowered, decomp ees effuse- paniculate ; rays usually 
longer; flowers white. —Com mmon on t e plai ns and foot-hills. 
Dr. Smith. Colorado Springs, Porter. *Caiton City, Br mia gee. Canby. 
Plains of the Platte, Coulte 
ie ig mare eee, Nutt. 3 Ti & G., , p. 172. Ceespitose ;- 
shrubby, the woody leafy branches very a oe depressed, bearing @ 
naked elongated herbaceous seape-like peduncle; leaves 1/—24’ long and 
1/5” broad, linear, oblong-linear or narrowly spatulate- aookeuaties at- 
tenuate fate a slender petiole, white- oa on both sides or becoming 
peprone abor e, the margins at length mostly revolute; scapes rigid, 
3/10! , the cyme repeatedly ambeled or tr ichotomous caly culately 
peactid: Fe the nodes; peduncles and the 5-toothed oblong or cyathiform- 
campanulate invo olucres (13"-2" long) Mabious or some 5 einabes calyx 
glabrous within, white or rose-color or sometimes bright yello w, the seg- 
ments obovate- eens. and nearly equal. From the head-waters of the 
Platte to New Mexic 
RIO es San ANNUUM, Nutt. = C4, 4103, p. 173, sei eal: a 
close white wool; stems tall, 1°- ohigh. eins leafy below; leaves ob- 
long, attennated "at the base, niten abeia; short-pet ouced ; eymes decom- 
oe |; flowers numerous; involucres snowy-woolly, ela brous within, 
eeth 5 Dd, Short; ealy x W white. furnished at base with long, delicate, arach- 
noid wool, segments unequal, outer ones much larger, broadly obovate, 
inner ones oblong; bracteoles slightly plumose. —Plains around Denver 
aS seth Around Colorado Springs, Porter. Canby. Hall & Har bour, 
50. 
as (OGONUM CERNUUM, Re it ee GL 6. Dp. 182. ey ee 
vast high; leaves radical or sometimes cauline, ound or obo 
what long- petioled, floceose- woolly ; panicle glabrous, widely. careadig: 
Na ara usually very-many- ‘flowered + pedicels soon deflexed 
ooth, 2-3 times longer than the ampanulate, glabrous, many-flowered 
eo olnthe: bractlets setaceous, short, subnaked; calyx white or pinkish, 
glabrous b-cleft, turbinate and acute at base, the outer segments square, 
emarginate or retuse, scarcely tice the oblong half- ee. -wide inner 
es. Involucres not over 1” long; flowers scarcely "as long and often 
much shorter, and well marked by the top-shaped base. —Hall & Har- 
oe ae = iby. Upper pper Arkansas, Porter, Cation City, Brandegee. 
UM GORDONTI, ony See T. & G., le, p. 185. Glabrous 
ctmout: leaves subcor aceous, round; peduncles several from the 
root, short, repeatedly divided above into an ample, loose dichotomous 
panicle, branches slender, pedicels _ subeapillary, bie 14” long, ee 
flowers’ 2-3, white, very small; in 
toothed ; outer r segmen nts. ee oe very smooth ‘ealy yx san i ‘a little lo onger 
than. the oblong it er ractlets inieinesly elandulose.—Canolk 
City, ~alonaaicieg Plains ihont Pueblo, Gre 
OGONUM TENELLUM, Torr. TJ. & 6. ce , p. 186. Ceespitose ee 
a a’ branched woody ‘eandex ; leaves crowded, ovate or rounded, 
Mountain, Bee 
Roum 
white-tom entose; scape and spre reading panicle smooth; bracts very 
small; pedicels elongated, erect ; involueres 14//-23” long, rather many 
flowered; flowers white, the segmen nts retuse, unequal, the outer broad- 
obovate or pa aie ose villous.— nu Color ado to New xico.” 
OxY li& bour rry. Gray’s 
Peak, De. “athe tere ‘ie! at 13,000 feet altitude. snd Horse Shoe, sa 
eet, 
