1386 CARDUACEAE 
69. A. Lamarckianus Nees. Stem 6-25 dm. high, glabrous or ad y SO, panicu- 
lately much-branched: leaf-blades e to elliptic-lanceolate, 7—15 em. long, 
acuminate at the apex, narrowed to ssile or slightly clas ae base, a 
thin, ea margined, those of the pen leaves sparingly serrate in t 
middle, sometimes very nearly uo the upper and those of the E 
gradually ~ Pei numerous, 16— 20 m . broad: ge nearlv hemis- 
pherie, 6-8 mm. high; braets narrowly linear. lanceolate, acute or acuminate, 
em ssed, En upped E brieate series: ray-flowers numerous; 
ligules white (or faintly tinged vit pu ER 6-8 mm. long: pappus white or 
nearly so: achene a E [.A. paniculatus Lam.]—Moist soil, various 
provinces, Fla. to La., Mont., n and Va.—Late sum.—fall—A very variable 
species. A ey ranging from N. C. and Tenn. to Kans., and Man., with nar- 
rowly linear entire or er appressed-serrate leaf-blades acuminate at both 
ends and numerous rather densely b ed heads on ascending inflorescence- 
bcd is A. Lamarckianus bellidifior 
70. A. aptly nna: Britton. Whole plant d p iani. stem 6 
dm. high or more: leaf-blades thin, oblane and a n type, dull or 
einereous-green, sharply serrate above the EN with ph tapering entire 
sessile base, finely pu M gun beneath: heads irregularly D Or d da 
along leafy branches: braets of the arid linear, sely imbrica 
Moist places, various Ae os Tenn. to Tex., S. D., and Mich, Fall D Difers 
from A. Lamarckianus Nees. de in its pubescene 
71. A. salicifolius Lam. Stem 6-15 dm. ugs ue slender, paniculately 
much-branehed, usually very leafy, glabro Or a pub escent 
leaf-blades somewhat is , laneeo zi or inr ced 5—10 ong, ough- 
margined, acu nate, narrowed and sessile or lightly qu en the 
base, iis Or pedes, denta ite with low teeth, glabrous or nearly so, those of 
the low r leaves a es Mur n 2r bases, Wars of the branches gradu- 
ally s s er: heads numerous, 16-25 mm. broad: involuere broadly ut. 
eur cud elliptic, uds sed, imbricate in 4 or 5 epee is green tips te 
or obtusish: ray-fl numerous; ligules violet, or t-purple, or some- 
times white, 6 -8 m en ng: diee s white: achene minutely pubescent. — Moist 
soil, various M E Miss. to Tex., Mont., Ont. and Me.—Late —fall.— 
The foll owing form may be distinguishable: A. poer Hoe with 
scabrous stem and leaves, ranges from La. to Tex., Mo., and Md. 
72. A. Simmondsii Small Stem 1-12 dm. tall, ecd pubescent, usually 
with ereet or spreading branehes: leaf- blades linear, PEE. or elliptie, 
glabrous, er those of the lower Vois se E. thos E the upper serrate 
entire, the rameal ones narrowly linear, entire: head 5 solitary or paniculate: 
ea campamulate to E e a “turbin ate; a - no wit - pud 
green tips and s ous margins below, acute or ish, the inner 4- 
pm ligules of des 7— “11 mm. long, Pate -lilae or ae pur ple: XEM Bu. 
pubescent: pappus eream-eo!'or. [A. S82 see eee .]—Moist or dry soil, pen. 
Fla.—Fall.^wint.—A No n species ich may contain one or more 
distinct species.—As in the ease of odes pe the Seminoles use an infusion 
of the plant to bathe victims “of sunstro 
73. A. spatelliformis Burgess. Stem eg -branched, glabrous, 6 dim. eu 
or more: leaf-blades dull-green and ere aM glabrous, the upper sur 
face usually finely impressed with r n vei : Jeaf-form suggesting a small 
dien spatula, oval with a rounded apex, a a into a short entire cuneate- 
inged petiole n and rameal leaves as well as cauline all of nearly the 
same type, 5 x '3 em. or les ss; the axiles half as large and oval-elliptic, with a 
short cuneate base; de rameals half as large as the axiles, but very uniform, 
numerous and characteristic: heads small, uer along t the prolonged or 
