74 SYNOPSIS OF THE FLORA OF COLORADO. 
nial}; canescent; stems 8/-12’ high, branching; leaves sessile, pinna- 
-tifid, the ra neve one remote lobes linear; heads rather small; involuere 
in abou t 2 ser early equal to the disk ; rays deeply 3- cleft ; chaff of 
the pappus techies, fimbrillee of the receptacle aristeeform, slender, 
sparse, longer than the a chenia.—Purgatory River, Dr. Bell. 
GAILLARDIA PULCHELLA, Foug. Annual, sas in or slightly 
hirsute, branching; leaves lanceolate, the lower ones tapering at the 
base and slightly petioled, somewhat toothed or rarely incised, the 
upper entire, partly clasping, apiculate- bes Ae involuere very bir- 
sute and callous at the base, git than the disk; heads 1’ or more in 
diameter; rays 10-12 attenuate at the base, deeply 3-cleft, violet-purple, 
the teeth yellow; eorolla,.o the disk with attenuate, subulate teeth; 
chaff of the Pappnsis ovate, or lanceolate-oblong, with long awns; fim- 
brille of the receptacle aristeeform-subulate, not dilated at the ‘pase, 
slender, ee ta the achenia; achenia involuerate with a villous- 
ferrnginous tuft. —Plains of astern Colorado, Dr. Bell. 
PALAFOXIA! HOOKERIANA, T. & G. , (P. Tevana, Hook.) Plant 1° a 
high, strigose- scabrous ; esaehes pan niculate or corymbose; 
jed; he 
lane e, 1- ; heads 9” long, many-flowered, ra ; 8¢ 
f the involucre 12 or more, very glandular as well as the pecaneyy 
and branches, imbricated in 2 series, exterior lanceolate, interior obovate 
la Om Bie or ob ong; Tays 8-10, more or less exserted, purple, broad 
cuneiform, deeply 3 clett; limb of the disk- canis 5-cleft below the. 
middle; pappus of the disk- flowers of 6-8 narrowly ep hgresen acu: 
minate scales as long as the attenuated, hairy Hl ag: in the rays ot 
as mnany obovate-spatulate, very obte se, rigid scales, hg Ses 
shorter than the ne arly genee us achenia. —Hall & Harbour, 352 
— ..CHAZNACTIS? DouGLasi, Hook. & A (C. achillewfolia, H . Oe A.) 
* Biennial and ios nai ‘annual, NE oe ‘ith a close tomertum, or 
ly smoothish; stems 2°-3° high, simple or men branched, often 
several from one root; leayes somewhat fleshy, 1/-3’ long, ovate, 
oblong in outline, 2-3 vinnsid with very numerous and often 
erowded, minute oblong or obov rounded lobes; heads few-many, 
corymbed ; involucres turbinate or Ai ett Sh the oblo ong- beat scales 
in 1-2 series; flowers 6-7’ long, whitish or flesh-colored ; corollas 
pubescent, marginal ones scarcely od i achenia_ linear, neni 
blackish, as long as the corolla; pappus of about 10 unequal a ne 
oblong or lanceolate, erosely-denticulate scales, 3-3 as long as 
— FONIA, Lagasca. Heads 10-30 flowered; the flowers all perfect and tubular, 
exterior series either Coatins tly or manifestly radiate ; the rays 3-cleft, pist istil- 
re pris) of the obconical or campanulate involuere 8-15, Sa Seal or her 
baceous eal scarious tips, — ot spreading in fruit,) in 1-2 series shorter 
e 7 
It, 
he disk. } flat alveola 0 
disk with a blender tube and a expanded deeply 5-cleft or 5-parted limb; the lobes 
inez ‘late, sp a en glabro us. Branches oft the style long and pats 
flattish, glandintar-pabescent throu ag hOntt. Ac henis quadrangu ular, slender, tapering 
tothe nntely pubescent. Pappus of 6-12 m ne AUCeOUS, dentienlate, pinoately 
pore alos: tes nished with. a ‘strong midnerve, his is thickened at the b ate ae 
often si hat: oy: ed at the a apex; the pappus of ie exterior . ften 
shorter. 7. § G. Fl. 2 
cinboios De. eads pae-ibanen ed; flowers all. tubular and perfect; the 
or puberulent, elongated, n aR peur or mnpliated abov e and 
ama week 5-toothed ; - outer ones (rays) more expanded than the sds and 
often somewhat ir regularly. ver or ose, 5-cleft; teeth or lobes pubescent. Involuecre 
vg ob i i ptacle al 
n . ec 
ong, marr shal agers. branches, the upper hispid, Achenia 
eS ta oper b updos e base, ial cig pacing ere Pappus of 4-12 hyaline, mem — 
brano erveless scales, with ly-denticnlate margin 8, those of the disk — 
y sage aie feiss avles. 
Cd 
