CARDUACEAE 1325 
corolla white, 3 mm. long: achene 3 mm. long.—Low woods and wooded hill- 
sides, often in acid soil, various cud Fla. to Tenn, Ky., and Pa.— 
Sum.-fall. 
16. E. recurvans Small. Stem 4-9 dm. tall, finely cap v eaves mo 
or less reflexed; blades QE elliptie to lanceolate 1.5-4 e ong, el 
and bluntly toothed: oa ucre cylindric: bracts n narrowly ice slightly ae 
the inner abou . long: corolla white, 3 mm. long: b about 2 m 
lon tiem Coastal Plain, Fla. to Ala. and Ga.—Sum 
17. E. tortifolium Chapm. Stem 3-7 dm. tall tomentulose above: leaf- 
e Back oblaneeolate, or nearly linear, 1-3 em. long, entire or shal- 
n and remotely toothed: outer bracts of the involucre ovate; inner bracts 
lin ar: corolla white, about 3 mm. long: achene about 3 mm. long.—Sandy 
B and dry pinelands, Coastal "Plain, Fla. to Ala. and S. C.—Sum.-fall. 
18. E. cuneifolium Willd. Stem 4-8 dm. tall, tomentulose above: leaf-blades 
cuneate, elliptie-euneate, or linear-elliptie, 1— 3 cm. long, serrate, or the upper 
ones individually entire: ane e s of the involucre oval; inner bracts nar- 
rowly elliptic: corolla white, 3.5 m m. long: achene about 2.5 mm. long.— 
Rich woods, Coastal Plain uA adj. proce. Fla. to Ala. and S. C.—Sum.-fall. 
19. E. semiserratum DO. Stem 5-12 dm. tall, tomentulose: leaf-blades 
in -patulate to elliptic, 3-10 em. long, sharply serrate: involucre nearly 
ric; bracts ara ciliate, n pale-margined, the inner enint 3—3.5 mm. 
tong corolla white, 2—-2.5 mm. long: achene about 2 mm. ong.—Sandy soil, 
eae aud pond- p c Plain and adj. E Fla. to Tex 
Mo, a d Va. 
a imum L. Stem 8-20 dm. tall, — tomentulose: leaf-blades 
linear- Janceolat te to linear- elliptie, mostly 4-1 em. long, sha arply serrate: 
ned campanulate; bracts ciliate, Hid m -margined, the inner T 
4.5-5 mm. long: co rolla white, Nm 4 mm. long: achene 3—3.5 mm. long.—Dry 
soil, ad provinees, Miss . to Tex., Ia., Pa., and N. C.—Sum.—fall. 
21. E. verbenaefolium Michx. Stem 6-12 dm. tall, finely p n 
blades ovate to lanceolate, 2-12 em. long, coarsely serrate: brac of the 
1p 
l 
elliptic, 4—4.5 mm. long: corolla white, 3 mm. long: achene about 3 mm. long.— 
S soil, o Me nd acid swamps, Coastal Plain and adj. provinees, 
Fla. to La., Tenn., and Mas c. —fall. 
22. E. rotundifolium L. Stem 3— ng dm. tall, a leaf-blades sub- 
orbicular to orbicular-ovate, 24 ong, erenate or nate-dentate: inter- 
mediate bracts of the involucre acuminate, inner pim 9.5-6 mm. long, 
narrowly nua oe white, about 3 mm. long: achene fully 2 m an ng.— 
(FALSE-HOARHOUND.)—Dry w woods, pinelands, and swamps, Coastal Plain and 
adj. provinces, Fla. to Tex., Ark., and R. I.—Sum fall. 
23. E. pubescens Muhl. Stem 3-15 dm. tall canescent-tomentulose: leaf- 
blades ovate, 2-10 em. long, serrate or incised- -serrate: intermediate bracts of 
the involucre acute or abruptly p the inner ae 9.5-6 mm. long, linear- 
elliptie: eorolla white, abou ong: achene 2.5-3 long.—Rocky 
a acid, sandy banks s, and «E Coastal Plain and adj. provinces, Fla. 
to Miss , Tenn., xim Me.—Sum.-fall. 
24. Ẹ. scabridum Ell. Stem 4—12 dm. tall, eanescent-tomentose: leaf-blades 
elliptie to ovate-elliptie, 2-8 em. long, serrate or ineised-serrate: bracts of the 
