492 _ COMPOSITAE. Vor. III. 
7. Coreopsis palmata Nutt. Stiff Tick- 
seed. Fig. 4408. 
Coreopsis palmata Nutt. Gen. 2: 180. 1818. 
Perennial; stems rigid, glabrous, simple, or 
little branched, very leafy, 1°-3° high. Leaves 
sessile, 2’-3’ long, palmately deeply 3-lobed at or 
below the middle, or the uppermost entire, thick, 
rigid, the lobes linear-oblong, obtusish, entire, 
or with 1-3 lateral lobes, their margins rough; 
heads few or solitary, short-peduncled, 17-2’ 
broad; involucre hemispheric, its bracts some- 
what united at the base, those of the outer series 
narrower and nearly as long as the inner ones; 
rays 6-10, bright yellow, oblong or obovate, most- 
ly 3-toothed; achenes oblong, narrowly winged, 
slightly incurved; pappus of 2 short tips, or none. 
On dry prairies and in thickets, Indiana to Mis- 
souri, Louisiana, Minnesota, Manitoba, Nebraska and 
Texas. June-July. 
8. Coreopsis major Walt. Wood or Greater 
Tickseed. Fig. 4499. 
Coreopsis major Walt. Fl. Car. 214. 1788. 
Coreopsis senifolia Michx. Fl. Bor. Am. 2: 138. 1803. 
Coreopsis Oemleri Ell. Bot. S. C. & Ga. 2: 435. 1824. 
Coreopsis stella‘a Nutt.Journ. Acad. Phil.7: 76. 1834. 
Coreopsis senifolia var. stellata T. & G. Fl, N. A. 2: 
342. 1842. 
Perennial; stem pubescent or glabrous, branch- 
ed above, 2°-3° high. Leaves sessile, more or 
less pubescent, or glabrous, divided to the base 
into 3, lanceolate, linear, ovate-lanceolate or ob- 
long, acute, entire segments 2-4’ long, 2-12” 
wide, which appear as if in verticils of 6; upper 
and lower leaves (rarely all of them), undivided 
and entire; heads several or numerous, slender- 
peduncled, 1’-2’ broad; bracts of the hemispheric 
involucre all united at the base, the outer ones 
linear-oblong, obtuse, equalling or shorter than 
the broader inner ones, all pubescent; rays 6-10, 
yellow, oblong, entire; disk yellow ; achenes ob- 
long to elliptic, winged, 4-2’ long; pappus of 2 
short deciduous teeth. 
In dry sandy woods, Virginia to Kentucky, Florida 
and Alabama. July—-Aug. Consists of several races, 
differing in pubescence and in shape and width of the 
leaf-segments. 
g. Coreopsis verticillata L. Whorled 
Tickseed. Fig. 4500. 
Coreopsis verticillata L. Sp. Pl. 907. 1753. 
Perennial; stem stiff, much branched, slender, 
leafy, 1°-2° high. Leaves sessile, glabrous, 2-3- 
ternately dissected into linear-filiform entire seg- 
ments; heads numerous, 1-14’ broad; involucre 
hemispheric, or short-cylindric in fruit, glabrous, 
its outer bracts linear, obtuse, commonly some- 
what shorter and much narrower than the ovate- 
oblong inner ones; rays 6-10, yellow, spatulate- 
oblong, obtuse; disk dull yellow; achenes oblong, 
se winged, 2” long; pappus of 2 short 
teeth. 
In dry soil, Maryland to South Carolina, Kentucky, 
Nebraska and Arkansas. Apparently erroneously re- 
corded from farther north. June-Sept. 
