CARDUACEAE 1381 
45. A. falcidens uis Sa Plant of firm smooth texture like A. laevis, with 
similar rays and bracts: stem slight or delicate, not rigid, generally arcuate, 
terete, EPA B under 5 dm. high; leaf-blades very thin, of linear type, 
rud NUT. glaucese ent, of aa A nd ee remarkable for the absence 
of veins (unl under a stro ns), g from ripe DR mooth and 
id qunm With the ane uu ciliation or ee ss) to jns with 
minute hair beneath and some scabrous h argins: radical ed very 
pale and glaucous, with oval or ru ate blades, p apex rounded or obtuse, a 
few acutish, 2 Pope narrow and longer ; lowe er cauline leaf- NEM lance- 
elliptic, en ntir equalled by the narrow petiole (and resemblin ng 
o ei ; middle caulines linear, often 2 dm. long by only 
1 em. broad, sessile, short-aeuminate, frequently with several large projecting 
teeth which i nea ry opposite or remotely seattered; these notehes may be 
inereased till the leaf is pinnatifid, or reduced to many s m i un or 
may be replaced = DUE oblinecolate linear entire leaves: upper auline 
leaves often nume more, ascending or spade entire, Pes 
Moa sided, tapering tightly a each nd but not aa 15 em. by 1.5 
, finally bec ing short, linear-acute and t, until 5. em. long: axiles 
e n 
ed ici of the ray pale-blue: disks early turning deep-erimson: bracts 
f the involuere linear- Ma Bel acute, their green "pe rhomboid. 
[ 4. pis jenes T. & G., not Banks.]—Upland woods, Blue E and more 
p ro jay to Ark "pa. and N. "e. —F all.—Differ fro the allied 
vis, A. concinnus and close Br SM in its longer ines Siral hte -sided 
oer blades Ad the coarse teeth. 
. A. turbinellus Lindl. Stem 6-9 dm. high, s kai paniculately branched, 
glabrous Pa po AA leaf- Ma ied lanceolate, or elliptie- Janceo- 
late, 5-7 e ong, entire, ciliate, acute or ac ate, those of the basal and 
lower uim petted, _those of the oP ais: ws se of the bra Bde mueh 
smaller: heads about m. broad, mostly solitary at the ends of the branches: 
m turbinate; pes elliptic, coriaceous, obtuse, I imbrieate 
n 5 or 6 series, their tips green ee at the apex: ray-flowers 10-20; ligules 
6- 10 mm. long, violet: pappus tawny: achene finely So n nt.—Dry soil, 
especially on mg various $2 La. to Ark., Kans., and Ill.—Sum.-fall. 
ontinuus Small. Stem 5-11 dm. tall, pubeseent, much branched above: 
5 em. long, 
tips, eute, passing into the numerous a of the rend ne 12-15; 
anes violet, 1~1.5 em. long: achenes pubescent. Resembles 4. patens Ait., but 
its bracteals 'elos er; the involuere api) turbinate.—Dry soil, often in open 
woods, various provinces, Ala. to Tex., Kans., and Ark.—Fall. 
A. georgianus Alexan nder Stem 4.5-8 dm. tall, rough- Vs m 
E branched: leaf-blades sessile, and to obovate, rough pubes and 
Mona rar p Pide ih auriculate: -clasping at the ba ase, entire, ae or 
obtu ne ( ryo ng; tae of the branches much smaller, sometimes bract- 
like ps MN pd at the ends of bra nches or branchlets; 
a pan ree a UR linen somewhat acute, eur. the 
elliptic green Ups eu M ray-flowers 20- 30; ligules violet, about 15 mm 
o. ae wny.—Dry or open woods, inner Coastal Plain and Piedmont 
Ga. and S. On — Fall. 
