CARDUACEAE 1357 
nate, 0.5—1.8 Pd long, 2.5-10 em. wide, thin, very sharply and deeply serrate, 
glabrous above, sparingly pubeseent beneath, abru uptly narrowed at the base, 
m n 
S. Dak., and N. S., and Va.—Sum.-fall. 
46. S. pubens M. A. Cu rti s. Stem 4-15 dm. tall, ipud pilose; leaf-blades 
narrowly oblanceolate to broadly Mum 6-16 . long, 2.5—4.5 em. wide, 
sharply serrate, thin, hirsutulous above, pi ilose wen on the veins; petioles 
1-3 mm. Mn he ads 5-6 mm. high, in short or even long axi Ai raeemes, the 
lower racemes much M 2Y ia leaves, the upper aggregated and forming 
a short thyrse: involucre 3—4.5 1. high; bracts hispidulous ee obscurely 
o at the ben bh lene pee eae -hirsutulous.—Rich woods, Blue Ridge, 
Ga. to Tenn. and N. Car.—Sum.-fall. 
47. S. Curtisii T. & G. Stem 5-14 dm. tall, slender, glabrous below, dd 
cent ids pa blades ee la to broadly oblanceolate, g- 20 ec 
long, 1.5 . wide, thin, Mai serrate, glabrous or pui SO, long: RU 
nate, A uc ga at the ‘bas ; petio Bis. 1-10 mm. long: heads 5-6 mm. high, 
in axillary clusters or short racemes, all except the peer Miner by 
eaves, even the uppermost scarcely forming a spike: involucre narrowly 
campanulate, 3-4.5 mm. high; Gee narrowly oblong, ciliolate, strongly 3—5- 
ribbed: aehene appressed-hirsutulous—Rich dry soil in open upland pour 
c A to Appalachian Plateau, Ga. to Ala., Tenn., Ky., and Va.— 
48. S. lancifolia T. & G. zc 8-15 dm. tall, stoutish or oe glabrous below, 
sparingly pubescent above: leaf-blades lanceolate , 8-20 em. long, 2-3 em. wide, 
thin, sharply and deeply e glabrous to very sparingly hirsutulous, Pen 
acuminate, ddp cuneate- -tapering at th ase; petioles 2-6 mm. qe 
heads 6.5- 8 m high, in SC axillary racemes, the DIR forming a narr 
terminal ice se: involuere broadly campanu late, 5— 6 1 high ; bracts BHO 
obtuse, ciliolate, enn puberulent or hispidulous, pn. 3—9-ribbed: achene 
appressed- hirsutulous.—Rich woodlands, slopes and summits, Blue Ridge, Ga 
and N. C.— Sum fall. 
49. S. tortifolia Ell. Stem 3-11 dm. tall, closely roughly short-pubescent: 
leaves very numerous; blades narrowly linear- -oblong, linear-lanceolate, or ob- 
uda a paler ie 5-8 cm. long, 2.5-6 mm. wide, channeled, those of the lower 
leaves, at least, recurved-sprea adin ng and slightly twisted at the base, shallowly 
serrate above uc middle, hispidulous on the midvein and margins, sessile, with 
rse em 
d, 3.5 : 
achene sparsely and minutely pubese ent. eu. ry sandy soil, pinelands, Coastal 
Plain, Fla. to Tex. and Md.—Su m.-fall or all year S. 
50. S. fistulosa Mill. Stem 6-20 dm. tall strongly white-hirsute abov 
glabrate towards the base: leaves very numerous; blades dione dono di ous Or 
oblong-oblan o 9-12 em. long, 1.7-2.5 em. wide, sparingly and shallowly 
t : ; 
e ve be 
cent at least on the veins, with the broad base somewhat clasping: pee les 0.5-2 
E long, the branehes numerous, spreading, usually flower-bearing nearly to 
he base: heads 5-7 mm. high, secund, long-peduneled: involucre cylindrie 
C br m linear-lanceolate, acute, thin: achene pubes 
S. asperic caulis A. H. Moore]—Moist sunny localities, low pine-lands, per 
soils, Coastal Plain, La. to Fla. and N. J.—Sum.- fall. 
