CARDUACEAE 1385 
64. A. Curtisii T. & G. Stem 4-18 dm. tall, EUER at least below the in- 
florescence, oe d, corymbose or paniculate above, the pan sometimes raceme- 
like: leaves various, s s etim ds all with linear Me nearly li linear blades and entire 
Or partly serrate, som e lower cauline with lanceolate elliptic, oval or 
ovate sharply serrate blades and petiole-like pos and the upper cauline linear 
and less toothed, M allof them rela aay bo all thickish, age 
green ane eee : heads s void or pde - the end o the stem its 
branches e hemispheri -9 , conspicuous; bracts ‘often 
slightly a pum below the more or oie yu. dark-green spreading, or 
reflexed tips: ray-flowers s 18-28; ligules violet-purple, often brilliant, 1-3 cm. 
long: achene glabrous, shorter than the re ordid pappus. mu ee ee lue 
Ridge and Appalachian provinces, Ga. to Tenn. and N. C.—Fall.—Resembles 
A. spectabilis, but leaves more polymorphous: stem taller: head more diffused: 
glands lacking. 
65. A. Smallii Alexander. Stem 5-6 dm. tall, glandular-pubescent, ial 
uaa peace below the Mrs compact t inflores scence; leaves ra 
merous 5-12 cm. long; blades d. but rough-margined, ede the 
Ennis ones taperin to a wing-petioled base, the upper ones sessile at the 
2 base, all, even the lenia in sharp- -serrate and acuti id = ads borne 
den ewhat corymbose cluster: involucre campanulate: bracts 
Pandalar, especially the ae broadly linear, hate e. or obtuse, the 
tips reeurved: ray-flowers purplish: pappus pal achene pubescent.—Dry 
woods, Blue Ridge, N. C.— —Resembles A. din = differs mainly in 
its glandular involucral bod p numerous approximate leav 
6. A. spectabilis Ait. Stem stiff, 3-6 dm. tall, simple, or corymbosely 
ed above, puberu lent, or rough below w, more or less glandular above: leaf- 
blades firm, thickish, those of the basal and lower cauline leaves oval acute Or 
acutish, i 12 em. lon , 2-4 em. wide, ipi pud with d teeth, narrowed 
0 
ee Or pics nearly so, ue. line Pi elliptic eee sev Et or numerou 
35 mm. broad, eorymbose, very showy: involuere nearly Pons. us 
linear- jer or slightly Petula dn imbrieate in about 5 series, the 
n or aeutish tips spreading: ray-flowers 15—30; ligules cd A E 
m. long: = ppus whitish: achene heard pubescent, —Dry, cid, sandy 
soil, Coastal Plain and N. E. Coast, N. C. to Mass.—Late un fall. 
67. A surculosus Miehx. Stem 2.5-4.5 dm. tall, slender, from e longate- 
filiform rootstoeks, ee ely scabrous-pubescent, corymbosely | aisi above 
leaf-blades firm, lanceolate or linear, those of the lower cauline petioled, 5-7 
em. long, r ough-m reed slightly. scabrous ie sparingly dentate, those of 
the upper narrower, sessile, entire: heads few, or sometimes solitary, about 3 
em. broad: involucre tu rbinate- -hemispheric ; ; bo coriaceo ae ate in 
about 5 series, ciliate, but scarcely glandular, their green tips oen ing: ray- 
flowers 15-30; ligules violet: pappus whitish: achene nearly Pide .—Sandy 
or gravelly soil, various provinces, Ga. to Ala. Ey. . and N. C.—Sum.-fall. 
68. A. gracilis Nutt. Stem slender, 3-4 dm. highly, finely puberulent and sca 
brous, eorymbosely branched above: leaf-blades E scabr ge those of the 
- sal and lower cauline leaves elliptic, acute or obtusish, 5-7 cm. long, foot thed, 
arrowed into slender pd those of the upper jim linear, linear- -elliptic, or 
slightly oblanceolate entire, sessile or a little clasping: heads usually 
numerous, 12-20 mm. o: involucre narrowly turbinate; bracts coriaceous, 
glabrous or very nearly so, a in about five series, their tips green and 
spreading, obtusish: ray-flowers 9-15; ligules violet, 6-9 mm. long: pappus 
nearly white: Se mi pru: prae —Dry, often aeid, sandy soil, various 
provinces, N. C. to Tenn., Ky., and N. J.—Sum.-fall. 
