1414 CARDUACEAE 
low sinus.—Rocky soil, woods or prairies, Coastal Plain and adj. provinees, Ala. 
to Tex.—Sum. 
2. S. 2 ee pets Gattinger. Stem 8-20 dm. tall, glabrous: blades of the 
asal lea angular-hastate, 8-15 cm. long, repand, the lower cauline ones 
aaa: dm truneate subcordate, or cordate at the base, repand-toothed 
or coarsely dentate -serrate, acute, with petioles sometimes half a as long as the 
blades, conspicu a ciliate, bla des of en up D A ovate-lanceolate to 
lanceolate, entire nearly 'so heads several imerous, usually on long, 
slender, glaucou S Eng inv voluere mb e pos ut l en 1. high; braets 
vate, orbieular-ovate to elliptic, or ovate-elliptic oe oe pU tips dae 
somewhat c eading: ray- -flowers severa al; ligules yellos , 1-1.5 em. long: achen 
suborbieular, 7-8 mm. long, narrowly w inged, emargin a at the pus the wing: 
tips very short and broad ——Hillsides, Appalachian Plateau, Tenn.—Sum 
23. re n Hook. Stem 6-15 dm. tall, seabro-pubescent: leav p- 
: ves 0 
pos metimes alternate, bie opm above; blades ovate, ovate-lanceolate, 
IA a or lanceolate, 4-14 cm. long, acute or somewhat acuminate, 
ed or shallowly toothed, nn d a tth base, sessile and more or less clasp- 
ing: — showy: Te. hemispherie 1.5-2 em. high; bracts 
pubes a aps or lanceolate, the inner broadly ovate, acute or 
n n. ine tips often m or recurved: ray-flowers several or numerous; 
Sd ules 2.5-3. 5 ong ow: achene obovate or oval-obovate, 9-14 mm. 
ong or rarely oe Du wing-tips form ming a broadly U-shaped sinus.— 
Weeds, prairies, and o ld fields, various provinees, Ala. to N. M., Okla., and 
Mo.—Sum.—fall. 
24. S. integrifolium Michx. Stem 8-15 dm. tall, scabro-pubescent: leaves 
opposite or mainly E blades ovate to broadly lanceolate, often nearly uni- 
form in size, 7-12 em. long, scabrous on both sides, acute, Min a 
toothed, Rp on ne lower part of the stem, mostly entir above: heads 
in rather open corymbs: involuere 1-1.5 cm. hi igh ; braets more or i pubescent, 
the puter triangular- -ovate to lanceolate acute, the inner broader, obtuse, all 
often a recurved tips: es 15-93; ligules PUER e. 2-3 em. 
long: Bem narrowly E te, a l em. "long, broadly winged only near 
the as the an g-tips broad, ine Forming 1 a ae U- -shaped sinus.—Plains 
and prairies, various provinces, Miss , Wis., and 1Ill.—Sum.-fall. 
25. S. scaberrimum Ell. Stem 9-15 dm. tall, pubescent, sometimes sparingly 
So: ne opposite or alternate: blades elliptie- -Janeeolate, ovate- o or 
narrowly ovate, or those of the basal leaves lanceolate, 8— 20 em. lon ng, rather 
shorter high up on the stem, acute or somewhat acuminate, sh incide pO 
eun on both sides; heads usually few, showy: involucre campanulate, about 
lem. hi p M. ts ovate- lanceolate to ov vate or ellipt ie, not conspicuously pubes- 
tent but eiliate, obtuse or the outer ones acutish, s inn ith reeurved tips: 
dps hovers. several; ligules about 1.5 cm. long, yellow: ps suborbieular, 
5-7 broad, broadly winged, the wing-tips for us a deep apical notch.— 
Omen Nd. fields, and pinelands, Coastal Plain and adj. provinces, Ga. to 
Miss., Tenn., and S Va mue m. 
S. Gatesii C. Mohr. Stem 6-15 dm m hispid: leaves alternate, often 
rather numerous; blades br ei linear to e liptie- -lanceolate or lar ieeolate, 5—14 
. long, aeute, entire or remotely shallowly toothed, s cabrous-pubesce ce 
De ones petioled: heads showy; involuere campa mut about 1 em. goes 5 
braets ovate- lanceolate to ovate, hispid, the outer acute and short-acuminate, 
coarsely hairy, the inner obtuse: ray- -flowers sever ral; ligules s yellow, 12-20 mm. 
long: achene d ular or br oader than high, the wing-tips forming a broad 
i Dr ae various provinces N of Coastal Plain, Ala., and Tenn., to 
Mo. rae 
