1362 CARDUACEAE 
Heads solitary or several termi EN pa 
branches. Involucre Bari campanulate 
hemispheric, Lom od braets in 2 or 3 
series, rather broad. Ray-flowers numerous: 
corollas with a very short tube and a white, 
pink, purple, or violet ligule. Disk-corollas 
f 
wanting or obsolete—About 
Mexico and SC. United States. 
<> on 
1. A. int p nep. (Michx.) Nutt. 
0.5—4 dm. tall: leaf-blades arua to d 1-4 us pud pde braets of the 
involucre E -lanceolate, 2.5-3 mm. long, or 4 mm. long at maturity: ligules 
of the ray pale-purple or pale- -violet, 6—14 mm. long. m Bor uri folia Michx, E: 
— (DAI —Low gro d arious provinces N of Coastal Plain, Ala. to 
Ark "s Ky. —Spr.-su 
35. APHANOSTEPHUS DC. Annual or bienni al, or probably peren- 
nial M ringly branched, aster-like herbs. Leaves alternate: blades narrow, 
of them ur or pinnatifid. Heads 
iin) head branches. Involuere hemi- 
spheric, y-flowered: bracts in few series, 
rather narrow. picis several: corol- 
las with a very short tube and a narrow 
white, violet, Or purple li gu a Disk-corollas 
e 
longer than the filaments. Stigmas obtuse. 
Achene ribbed. Pappus an entire, toothed, 
or ciliate erown.—About 5 species, North 
merican 
. A. skirrobasis (DC.) Trelease. dips 
1—4 dm. tall, einerous-pubescent: leaf-bla 
spatulate to 'elliptie or linear, 1.5—6 cm. qud alid toothed or ineised below: 
arger bracts of the involu uere m m . long, acuminate au TE-DAISY.)— Dry 
at various provinces, Tex. o Kans.; also Fi la.—Spr.-s 
36. BOLTONIA L'?Her. Perennial tall, aster-like herbs. Leaves alter- 
nate: blades entire, sessile or deeurrent. Heads many, hei Risus In- 
voluere broadly eampanulate to hemispherie, many-flowered: s narrow or 
sometimes partly dilated. Ray-flowers often numerous: aia: an a short 
tube and narrow ligules. Disk-corollas with a narrowly funnelform throat and 
o be: lobes triangular. Antħers as long as the filaments or longer. 
Achene flattened, broadest above the middle, the margins sometimes winged. 
appus a series of short scales usually aecompanied by 2—4 bristles —About 5 
species, North American. 
