CARDUACEAE 1413 
edis T » up nU or ovate- eren E 15 cm. long, acute, e 
about 1 e 
coarsely den r dentate-serrate; heads ebd involuere 
high; An dme danccdlace to suborbieular, r, oblong o oblong-cuneate, mere eM 
ciliate, is e outer ones aeute, t E obtuse: ray-flowers s several ligu ules Daria 
2-3 em. long: achene obovate d 6-8 mm. long, narrowly winged, the mg. 
A m or the sinus a obsolete. — Sandy soil, Coastal Plain, Fla. 
A. and S. C.—Sum.-fall. 
17. S. Asteriscus L. Stem 6-15 dm. tall, seabro-pubescent: leaves mostly 
alternate, approximate or scattered ; blades elliptic to elliptic. -lanceolate, ovate- 
lanceolate, 4-15 em. long, more or less distinctly serrate, those of the lower 
few l bout 
leaves petioled: heads showy, solitary or involucre campanulate, abou 
l em. high: bracts 2 ena -lanceolate oval and elliptic, ls or the 
outer ones acutish, mere ely c e: i -flowers 11-15; ligules 1.5 . long: 
achene oval or obovate oval, o mm. long, th 1e wing- tips rather E F. 
a rather broad sinus.—Dry soil, various provinces, Fla. to Miss., Ohio, and 
Va.—Sum.—fall. 
18. S. pag aes Greene. ye 9— E E od tall, less densely pubescent above 
than below: leaves opposite, the pai r remote; blades various, those of 
the basal ieee. spatula ae to ne elliptic 10-15 em. ine on short-mar- 
Be To those of the upper part f the stem E. iptie to laneeolate or 
, 9— M . long, Sessile and clasping D broad bases, idm coarsely erenate- 
didi Or slightly s epand: heads few or solitary: UM s 1-1.5 em. high 
ovate- up dh or sub-orbieular or ovate to sire bonae pna Gomes 
ray- e 12- E Scd hae 2.5—3 ong; achene bro oadly obovate or 
PDC e 0-13 mm. long, br ud Eu “the wing- T bad blunt, 
forming a deep v- bec sinus. —Sandy pinelands, S pen. Fla 
9. S. nodum Small Stem mostly less than 1 m. tall, hispid: V M 
posite, the pairs Dant. blades elliptie, oval, or broadly ‘ovate, 5-8 e ong, 
uA ae remotely den tate-serrate, obtuse or sometimes abr ruptly pointed 
the lower ones with short petiole-like bases: heads solitary or few together: 
involuere MET eampanulate, about 1 em. high; braets ovate or orbieular- 
ovate to obovate, obtuse, ciliate: ray- ‘towers few, lizules 1.5-2 em. long: achene 
bo de or oval, 7-8 mm. long, narrowly winged, contracted into more D: less 
mm 
of a neck at t the to op and truncate, the wing-tips obsolete or obscure.—Sandy 
soil, Ker Charleston, S. C.—Sum 
20. S. incisum Greene. Stem about 6 dm. tall, perhaps up g - m., hirsute: 
leaves t and alternate; blades of the basal ones ovate OV dd lanceo- 
late, id em. long, ¢ eoarsely dentate-serrate, abruptly ao > truncate at 
the base, on long hirsute petioles, -o of the remote cauline leaves la on olate 
or elliptic- lanceolate, n newhat acuminate, Po few- Poo short- -petioled 
or sessile: heads usually few: m ud broadly eampanulate, about le d ; 
bracts elliptic- pc to broadly ovate, ciliate, sparingly p scent, oss Or 
merely ee with more or less recurved tips: ray-flowers few; ligules vile 
achene obov -8 m ong, na Pe winge ed, the wing- m road, forming a 
rather pod T Eur sinus.—4A ppalachian provine es, Ga.—Sum 
21. S. gracile A. Gray. Stem 3-9 dm. tall, hirsute: leaves ea blades 
of the ba m e elliptie- e to ovate- laneolate, 5—30 em. long, acute at 
both ends or slightly acuminate or rarely obtuse, sno s dentate- RE those 
= 
rbicular 
or obovate, ciliolate, obtuse, or the ° ten inconspicuously pu b De ones 
acutish, eiliolate: achene suborbieular or orbieular-oval, 9-10 long, 
rarely larger, very broadly winged, de wing- rs broad, forming a pe vs o 
