1330 CARDUACEAE 
Basal leaves with elongate acerose blades: outer bracts of the involucre mice 
1. C. Pseudo-Liatris 
Basal leaves with broader or linear-spatulate dn outer 
pe ret of the involucre, especially the median ones, 
Bracts of the eee with lax or spreading thick acute 
or acutish 2. C. tomentosus, 
Bracts of the duedlcre with thin or scarious erect 
rounded or retuse tips 
ene in a cluster-like cyme: stem copiously pubes- 
nt. 3. C. corymbosus. 
Heads in an open slenderly branched cyme: stem 
glabrous or nearly so. 4. C. bellidifolius. 
1. C. Pseudo-Liatris Cass. Stem 3-9 dm. tall, finely crisped-pubescent: 
leaf-blades acerose, ee ceca to narrow seales above: outer bracts of 
the involuere lanceol ; 7-8 mm. 
ngo ps Lr lin EE braetiets m 
lon 
nea abou 
pinclands, poe Plain, Fla. to c: e B 
—Fal 
2. C. tomentosus (Michx. 
f d l 
spatulate below, = obovate to elliptic-oval 
dud brae of the p pen 
lon 
wly Tee 9-12 . 
tire: eee narrowly nea or ir 
spatulate: achene about 4 mm. lon E nd 
Es Coastal Plain, Fla. to N. o 
fal 
—Rather rare 
C. bosus (Nutt.) T. & G. Stem 3-9 dm. tall, no id blades 
iR or elliptic-spatulate below 2 cuneate ipti or ovate a Pr ts 
of the involuere searious-margined, e cilia te vate ee 
long, cuneate: achene stout, about 3 mm. ier ei ptnelands, Coastal es Fla. 
to N. C.—Sum.-fall. 
4. C. bellidifolius (Miehx.) T. & G. Stem 3-5 dm. P glabrous or ob- 
scurely pubescent: leaf-blades ed gs to linear: braets of the involuere 
di scarious-margined, ciliolate, 8-9 m 0 obtuse: scien slender, about 4 
m. long.—Pinelands, Coastal Plain, a adj. provinces, Fla. to N. C. — Sum —fall. 
15. LITRISA Small. Perennial somewhat succulent caulescent herbs, 
the stems single or clustered from short, daa knotty rootstocks. Leaves 
alternate, the basal ones larger than 
eauline: blades fleshy-leathery, entire, d 
lel-veined. Heads corymbose.  Involuere 
eampanulate, few-flowered; braets few, rela- 
tively broad, pubescent. Corolla bright- 
o 
throat. Androecium included. n ond 
endages ovate, nearly entire, obtuse. Ach 
euneate, ribbed. Pappus of many dci 
bristles.—One species. 
1. L. carnosa Small. Stem 3-8 dm. tall, 
finely pubescent; basal leaves in a rosette 
blades mostly 2-8 em. long, linear, varying 
