1318 CARDUACEAE 
1. 
leaves few; blades various, P of the basal and lower cauline elliptie to nar- 
rowly elliptic- lanceolate, narrowed into pet hole: like bas ES and dilated at p» 
base, those of the upper Pine laneeolate P elliptic-lanceolate or M bc 
olate, elasping: heads solitary at the ends of stem or its few branches: E Ue 
bristly: corolla purplish-blue or dein ies te, a lobes all Dunt opum ate: 
achene narrowly obovoid, about 5 mm. long, the angles pes thickened. [S. 
cyanea L’Her.] —Moist M d id Fla. to La. and S. C.—Spr.- 
sum.—Rare east of Ala. Much more showy than its relatives, the ironweed and 
the elephant-foot. ae cultivated. 
5. RT A. Gray. Perennial, glabrous, slender herbs. 
Leaves id blades elongate, entire. Heads rather small, smooth, incon- 
Spieuous, loosely corymbose, few-flowere 
Involuere » binate: braets T en- 
tire. Receptacle elevated, with few bractlets 
near the edge. orolla with a very short 
ne 
S. laevis ae. e Stem 2-5 dm. b ee aie aaa so above: 
Anthers unappendaged. chene en- 
ee upward. Pappus of several slender A 
bristles or wanting.—One species represent- A 
ing a group of genera otherwise mainly tropi- MAIL 
eal American. M E 
NN 
N 
. 
A 
- 
1. H. floridana A. Gray. Stem 5 dm 
tall, bran ve pos basal leaves elongate; 
blades spatulate, elliptic, or angen ee 
late, long-petioled: blades of the ae casos narrowly ne. to linear: 
branches of the inflorescence with amall clavate scales: bracts of the involucre 
a to ned. puli ate, 4-5 mm. long, obtuse: corollas 2 or purple, 3—3.5 
. long; lobes ovate: achene obpyramidal, 4.5-5.5 mm. long.—Swamps and 
Bde. N Fla. aad N part of the pen.—Sum.-fall.—One of the rarer florida 
plants. The basal leaves resemble those of Limonium. 
LI 
Ael eo 
ed 
(Z^ 
eT 
6. SCLEROLEPIS Cass. Perennial, stoloniferous herbs. Leaves whorled: 
blades narrow, entire. Heads solitary, not showy. Involucre broad, many. 
flowered: bracts narrow, appressed. Recep- 
taele conic, naked.  Corollas with a very 
short tube and a funnelform throat, the lobes 
road. Anther-appendages ovate. Achene 
narrow, sharply i ae Pappus of 5 broad 
seales. —One s spee 
uniflora (Walt.) B. S. P. Stem 2-7 
ate a 
e acute or acuminate: corolla rose-purple 
or pink, nearly 2 mm. long, the tube shorter s the throat: a slightly 
broadened upward, 1 mm. long, excluding t the stipe-like base: pappus-seales 
broad, shorter than the achene, blunt. [S. PER Cass. 1- Bogs and pine- 
