Genus 2.] 



THISTLE FAMILY. 



305 



I. Elephantopus Carolinianus 



Willd. Carolina Elephant's-foot. 

 (Fig. 3609.) 



Elepliaiilopus Carolinianus Willd. Sp. 

 PI. 3: 2390. 1S04. 



Erect, hirsute-pubescent, or glabrate 

 above, branched above, i°-3° high. 

 Leaves oval, ovale, orobovate, thin, the 

 lower rather abruptly narrowed into 

 margined petioles, obtuse, crenate-den- 

 tate, 3'-S' long, 2'-Y wide, the upper 

 smaller, narrower and sessile; glom- 

 erules, including the bracts, nearly l' 

 broad; scales of the pappus lanceolate- 

 subulate, gradually narrowed into a long 

 slender awn. 



In dry woods, southern New Jersey and 

 Pennsylvania to Florida, west to Kansas 

 and Texas. Aug.-Sept. 



2. Elephantopus nudatus A. 



Gray. Smoothish Elephant's-foot. 



(Fig. 3610.) 



Elephantopus nudatus A. Gray, Proc. Am. 



Acad. 15: 47. 1880. 



Erect, rather stout, appressed-pubes- 

 cent, or glabrate, i°-2° high. Leaves ob- 

 long or oblanceolate, obtuse at the apex, 

 gradually narrowed at the base, crenate or 

 repand, 2'-io' long, 9"-2' wide, the basal 

 ones usually much larger than those of 

 the stem and branches, or these usually 

 few and bract-like; glomerules 6"-<)" 

 broad; heads about 4" long; scales of the 

 pappus ovate-triangular, abruptly nar- 

 rowed into the awn. 



In sandy woods, Delaware to Florida, west 

 to Arkansas and Louisiana. Aug.-Sept. 



3. Elephantopus tomentosus 

 L. Woolly Elephant's-foot. 

 Tobacco- weed. (Fig. 3611.) 



Elephantopus tomentosus L. Sp. PI. 814. 



1753- 



Erect, villous-pubescent, or some- 

 times glabrate, i°-2° high, the stem 

 branching above, leafless or with i or 2 

 leaves. Basal leaves ovate, oval, oblong, 

 or obovate, obtuse, sessile, narrowed at 

 the base, usually silky-pubescent be- 

 neath, crenate dentate, 4'-9' long, 2'-4' 

 wide; glomerules I'-iyi' broad; heads 

 about 6" long; scales of the pappus tri- 

 angular-subulate, gradually narrowed 

 into the awn. 



In moist soil, Virginia to Florida, west 

 to Kentucky, Arkansas and Louisiana. 

 Called also Devil's Grandmother. Aug.- 

 Sept. 



