1352 CARDUACEAE 
2. S. Harperi Mackenzie. Stem 10-15 dm. tall: lower leaf-blades oblong- 
elliptie, 6-12 em. long, -9.5 em. wide, glabrous, ana E above, 
hg roid 8-12 
h: th . j m. wide, its 
branches hirsutulous: heads 7-9 mm. high: involucral e Pan ciliolate, 
thickish, firm, not keeled.—Dry ae Coastal Plain and more northern prov- 
inces, Ga. t o E Tenn.—Fall. 
conferta Mill. Stem 8-20 dm. tall: lower leaf-blades n -obovate 
a een 1.2-2.5 dm. long, crenate or crenate-serrate; pet ioles usually 
somewhat shorter: branches of the thyrse hirsutulous: heads PF mm. high 
Mu bracts ciliate. [S. age Nutt.]—Dry woodlands, various prov- 
f Coastal rum N. C. to Okla., Minn. and Mass. and introduced 
Sper enn ard.—Fal 
14. S. rigidiuscula (T. & G.) Porter. Stem 6-12 dm. tall: lower piod rude 
narrowly lanceolate to iin lanceolate, 5—10 cm. long, entire or etime 
erenate; petioles short: thyr with Sie branches: heads 6-8 m hi igh: 
involucral l bracts ciliate —Dry sunny places, various provinces, Ga. to 7 ys 
Dak., and Minn.—Sum.-fall. 
15. S. plumosa Small. Stem 4-10 dm. tall: lower leaf-blades linear- "ibus 
4—10 em. long, 7-14 mm. wide, g labrous, sparingly ar serrate a dull- 
green on both sides: thyrse oblong, 1.5-3 dm. long, 5-10 em. wide, its ou S 
nearly glabrous: heads 8—10 mm. high: involuere pee re bracts Be 
veins: igh, in a flat-top m 
involueral braets la nceolate, a. thin, ciliate, P .—Sunny exposures, 
high altitudes, Blue Ridge, N. C. and Tenn —Sum.-fall—A ve ry well marked 
species. Ned only representative of a most widely distr ibuted group of golden- 
17. odora Ait. Stem 5-13 dm. tall: leaf-blades Eu dM or ed 
es larger 4-16 em. long, 4-16 mm. wide, the margins ciliolat : heads 4-5.5 m 
high, 2 mm. thick: involucral bracts yellow, glabrous, not exceeded by t 
pappus at flowering time.—(SWE n ater y acid woodlands, e 
cially a E elands, various provinces Fla. to T Okla., and Me.—Sum.-fall. 
—Som erroneously referred to S. MU Pe Sehoepf. which is Re | 
es 
Buthamia Pon ons (L. : Nutt 
Chapmanii T. & G. Stem 2-14 dm. tall: leaf-blades linear-oblong, 
th 
18. S. 
lanceolate, or oblong-ovate, the eun 3-6 cm. long, 1—1.8 mm. wide, the margins 
he 6 2-9 m 
lute, eiliolate: heads 6—7 mm h, 2- . thick: involucral "braets light- 
rev hig 
yellowish, glabrous, ciliate, markedly exceeded D the pappus. at flowering time. 
—Pinelands and sandy dd. Fla. to S. Ga.—Sum.-fal 
19. S. ulmifolia Muhl. St em 6-15 dm. tall, glabrous or nearly so below in- 
i Prin ovate or obovate or narrower, the larger 6-14 c . long, 
2—4.5 er 
M fev, e spreading, the longer not Eug des towards base: 
heads 4-6 mm. high: involucral bracts narrow, acute, Faeries adnan or | 
oblong- icon achene 1.5 mm. long, s slightly enlar upward.—Dry or 
dor soil, open woods po tidckets, various provinees, E Coastal Plain, Ga. 
to , Mi nn. and N. S.—Sum —fa ll. 
