CARDUACEAE 1387 
sarmentose branches, usually pH T d braets of the involuere rigid, 
linear, with whitish sides and a apex, the narrow dark-green tips lance- 
triangular. — Swamp margins, J mice m Fla.—Fall. 
A. Tradescanti L. Stem 6-15 dm. tall, es ee baie s the 
n lin 
defer usually ascending Pe often pu ubescent es: eau did. es nu- 
merous; blades linear- eis or ae , i 15 c m. long, a ar 
rowed to the d base, glabrous or nearly $0 on both sides, ina. d 
AE ser ied in e middle with low. teeth, or sometimes entire: heads very 
inn not seeund on the branches, 10—16 mm. broad: involuere 
Then pier P broadly ea ate, 4—6 mm. high; bracts inr acute, e sed, 
E tipped, eid in 4 or 5 series: ray-flowers numer ou 8; ligules white 
nearly so, 4—6 m ong: pappus white: achene minutely ae a aa ds 
i nae eee provinces, Fla. to Miss., Minn., N Y Terr., and Ont.—Late 
sum.—fall. 
75. A. agrostifolius Burgess. Stem terete, greenish or stramineous, 6 dm. or 
often 8 dm. high, slender, erect or straggling, sparingly but widely branched: 
leaves grass-like, dull-green above and beneath; blades very thin, chiefly entire, 
linear- red Bid - the Md rd and especially to the apex, 10 em. 
r even 15 cm. long, by wide; wer cauline leaves become broader 
laneeolate or oblong and sli ightly appressed serrulate; axils Pid ally corrigiate 
or occupied by two little divaricate branch-lea : hea ds mall and pal 
about 1.5 em. broad: bracts of the ee ie cate ery pale, wi ith 
narrow linear green tips: ligules of the rays whitish.—Low gro Y under light 
shade and about copse-borders, Coastal Plain and adj. provinees, Fla. to Ark., 
and S E Mass.; also river banks, Knoxville, in the Appalachian n of 
Tenn.—Fall. 
A. pinifolius -rie er. Stem 6-12 dm. tall, glabrous or sparingly 
ee with m or less erect aes leaf-blades linear to subulate, 
glabrous, sessile; dis of the lower leaves narrowly linear, entire or sparingly 
hack-serrate; those of the upper linear-subulate, the rameals subulate: heads 
few or many, dp involuere campanulate-turbinate to d braets 
linear, acutish, ae inner 5-7 mm. long: ligules of the ray 7-11 mm. long, pale- 
violet: pappus eream- perm achene finely ee ent. Moist soil, Fla.—Fall.- 
wint.—A TUIS species which may contain one or more distinet species. 
77. A. ramosissimus Mill. Stem 3-9 dm. tall, usually glabrous, panicu- 
2 bien usually bushy, the branches racemose, and the branchlets 
n es r rigid; ave 
o 
a pin dentate, narrowed into margined petioles, ida or ciliate; 
those of the ¢ auline leaves narrowly linear, acute, entir . long, tho ose 
id x bus ches AUR -subulate, oy oe ous: heads nhe td pedea 8—12 
oad: involuere eampanulate to hemispheric; bracts coriaceous, closely 
copies hei lace or linear- lanceolate abruptly acute or acuminate, green- 
tipped, 1 mbrieate in about 3 series: ray- flowers 15-25; ligules I or m 
tinged: pappus "n. achene finely pu bescent. [4. e ricoides s (Fl. SE. U. $.) ].— 
. sae -ASTER.) — Dry soil, various provinces, Fla. to Miss., Wis., 1n S and Me.— 
Fall.—wint. 
78. A. pilosus Willd. Stem up to 1 m. E 1, pubescent, very much branched 
and bushy, the branchlets somewhat secund: leaf-blades firm, typically with 
long scattered hairs on both surfaces; those of the basal leaves spatulate or 
oblanceolate, obtuse, s wis dentate, pubescent ; s of the cauline leaves 
linear to elliptie, RM entire, 2-8 em. lon ng; E = the branches linear is 
narrowly elliptie: heads c lly numerous, road: involuere ea 
panulate to hemispheric; bracts linear to ne in te with coriaceous, 
