CARDUACEAE 1323 
. Leaf-blades crenate, the teeth blunt or rounded, the 
ca - 
Involucre sparingly pubescent; inner bracts nearly 
linear spatulate, glabrous or sparingly ciliate, 
Scarious-margin 3. E. aromaticum. 
Involucre copiously ` pubescent ; inner bracts spatu- 
late or narrowly cuneate, copiously ciliate, not 
scarious-margined. 4. E. latidens. 
IX. PURPUREA 
Stem hollow, very glaucous: leaf-blades elliptic- -lanceolate, 
crenate-serrate,_ 35. E. maculatum. 
Stem prod purple at the nodes: -blades very thin: 
flowers not ill-scented : corollas p e 36. E.trifoliatum. 
Stem no rple at the nodes: leaf- Dr ee 
rugose: flowers ill-scented: corollas c T. E. purpureum. 
X. VILLOSA 
Shrub with ovate or deltoid-ovate leaf-blades. 38. E. villosum. 
= E. le D DC. Stem 4-13 dm. tall, glabrous, with recurved- 
und branches above: leaf- blades 2 filiform segments: bracts of the in- 
ug: long: tipped, the inner betw and 
m w 
m. long: corolla white, a pi mm 
long: achene ful mm. long.—(F 
EL.)— ounds, margins of ponds, and 
NEL. 
swamps, Coastal Plain, Fla. to Miss, and 
S. C.—Sum.-fall, or all year S. 
capillifo lium (Lam.) Small Stem 
2 and 3 mm. 
mm. long: idi fuly 1 m ong.—(Doa 
FENNEL.)—Hammocks, old fields, roadsides, 
and banks, Coastal Plain and | adj. provinces, 
Fla. to Tex., Tenn., and Del.—Sum.-fall. 
EEA Walt. Stem 6-12 dm. tall puberulent to T 
long: corolla white, 3 mm. long: achene 1.5-2 —(Doa-r FENNEL. 2—Dry 
soil, especially in » pinelands Coastal "Plain ud tu “provine es, Fla. to Tex., 
and N. C. Sum 
4 E. Puede Small. Stem 6-14 dm. tall pubescent: leaf-blades with 
linear, entire, or toothed segments, i those of the upper leaves merely toothed 
or incised: inflor e a plumose: bracts of the involucre mucronate, the 
inner 3-3.5 mm. long: corolla whit "25 3 mm. long: achene less an 2 mm. 
long.— Pinelands and ea Coastal Plain and adj. Piedmont, Fla. and Ala.—Fall. 
9. E. pinnatifidum Ell Stem 6-12 dm. tall, finely DE leaf-blades 
with linear or nearly linear segments: involuere ide - 3 Pes mg; cts 
r- abou mm. g: cor 
cus e i ong: 
iip: fully 1 mm. long.—Dry soil and damp Mee mug of nd Aen Plain 
adj. provinces, Fla. to Ala. and N. um.—fall. 
6. E. pectinatum Small Stem 9-20 dm. tall, finely pubescent, hp ai 
above: leaf-blades elliptie in outline, or broadest above or below middle: 
involuere 4-5 mm. long; bracts obtuse or retuse-aristulate, the i ri 5—4 mm. 
long: corolla white, 3 mm. long: achene fully 1 mm. long. — Sandy soil, Coastal 
Plain, Fla. and Ga.—Sum.-fall. 
