1462 CARDUACEAE 
lanceolate above, entire, MD or distantly toothed, Nu heads slender- 
peduneled: involueral brac 12-20 mm. lon ng, or rarely shorter, linear- 
AE usually um A long-attenuate, N a ciliate; ligules o 
cA flowe rs E bes. pee usually purple, except the yellow tips: achene 
ong o ee strigose.—Dry soil, prairies, open ae Ru cult. 
rs. 
mo RUN Plain, S "Fla. and Tex.—(Mez.)—Spr.-fall, or all y 
4. G. picta Sweet. Plant bos. but flowering the first year, becoming 
woody f 3 dm. tall or less, the branehes puberulent and densely long- 
hairy: leaf-blades spatulate and pinna pu on the lower part of ae stem, 
linear hi us olate and Da entire the upper pa a GE essile: heads 
d peduneled: involueral bra uno lanceolate, mostly 9— 15 mm. long, 
acuminate, pce n "pubescent P ciliate: ligules of o a -flowers 15-241 
mm. long, purple sometimes yellow-tipped: achene about 2 mm. long, 
strigose.—Coastal Endo Fla. to Tex. and S. C. — Spr. —fal. 
97. HYMENOPAPPUS L'Her. Biennial or perennial, erect herbs. 
Leaves alternate: blades pinnatifid or dissected, or rarely entire. Heads 
discoid, eorymbose. Involucral bracts peta- 
loid. p eorollas white or pink, becoming 
1 
obsolete.—About 7 species, North American. 
1. H scabiosaeus L’Her. Stem 3-7 dm 
tall, glabrate or thinly tomentose: leaf- 
segments cae coarse, rA a — 
entire or with ovate to e n. 
C 
ms 
ii -€- -— - 
EA 
4 Zooe e 
' 
ar 
ri 
ryin 
son metimes smaller : E: ER obovate, a about 0 0.5 mm. 
98. POLYPTERIS Nutt. Perennial, tal, branching, rigid rbs. 
dr alternate, or opposite on the UNIES part of the stem: blades entire, 
mainly in 2 series. Receptacle naked. 
ing. Di 
ene 4-angled, rather stoutly 
enlarged upward, pubescent. appus of 
several slender pubescent awn-like scales.— 
One species. 
integrifolia Nutt. Plant 
tall or less, p above: leaf. D. fences or ee nein to 
r, 3-7 e ong obtuse or acutish: involuere eorolloid; braets elliptie or 
spatulate 10- 7 mm. long, obtuse: corollas 9-14 mm. long ; lobes linear- 
