1382 CARDUACEAE 
A. fontinalis Alexander. Stem 3-9 dm. tall, pubescent, much ae 
leaf-blades sessile, eir -elliptie, ee pubescent, dus spreadin ne, culate- 
elasping at the base, entire, abruptly acute, 1.5-3 em. long; low pie and 
oe e es not Peg those of the D small e bract- B. heads about 
broad, or more, the ends of the numerous ra and branchlets; 
ae Sot Tate ; braets linear, with narrowly spa atulate, E em 
tips, remarkably thin for this group, but clo Md _appress sed and n t all 
E glabrous, and ciliate margined: ray-flowers 15-30; ligules n i 
blu long: pappus whitish .—Damp, mcd slopes, and moist soil, 
Fla. 2 e. fal 
90. A. patens Ait. Stem 3-9 dm. tall, slender, rough, divergently branched: 
leaf-blades sessile, ovate- elliptic or oval, rough- -pubescent, thiek and somewhat 
rigid, strongly auriculate diu at the p ad base, entire, acute, or the 
5 t} 
lower ones obtuse, 2.5-7. ong, those of the Pa much smaller and 
braet-like, their Dia rough- ciate: = M 29 - broad or more, solitary 
at the en nds of the branches: involue nulate 5; bracts o elliptic, el 
pubescent or scabrous, often SO seen lat reus imbric , their green 
tips spreading: ray-flow ers 20- B. ligules du or Ma let, pur 
mm. ae pappus hu achene pubescent.—Dry, open places, often in acid 
soi], Various provinces, Fla. to Tex. Minn., and Mass.—Sum.— all 
A. tenuicaulis (C. Mohr) ae e ables o Fo but its pg 
long and slender, flagelliform and P ro vell developed: leav nd 
heads smaller: pedic els longor, ofte mre em. 2056 s and their tips mu ch nar- 
rower, narrowly linear; bractlets mucronate: acute, Cn te or forming a chal 
like series alon ng the pediee els, appre zu = slightly spreading. [A. patens 
gracilis Hook. . patens tenuicaulis °C. Iohr.]—Dry soil, Coastal Plain and 
adj. provinces, Ga. to Tex., Okla., and Ky com 
2. A. phlogifolius Muhl. Similar to A. patens in habit, but when well de- 
veloped, much taller, more pad and soft: leaves larger; blades lanceolate to 
elliptie-laneeolate, entire, thin or membranous, acuminate at the apex, strongly 
aurieulate, clasping at the T roughish above, pubescent a th, usually 
narrowed below the middle, sometimes 15 cm. long: heads usually numerous, 
3—5 cm. broad, panicled or somewhat racemose on the bra nches: involucre cam- 
panulate; bracts lanceolate, En rather loose, with he ud ti ips: ray- 
flowers numerous; ligules s purple -blue.—W oods and n di various provinces 
P po irre Plain, “Ohio and Mass.—Lat —fall.—Resembles 
Ga. to 
dud less harsh ui pes Heads larger: cr plein narrow: leaf- 
blades inea 
53. A. adnatus Nutt. St em 2-8 dm. tall, hispidulous, Biel ged more or less 
br oe eu above: leaves various, the basal few, with a vl 
blades 2.0 em. ong: = eauline very numerous, RAE UM on 
part ^" the stem, mor du qs icate us ove uq b bra: ps oe 
x e to lanceolate, 3- 12 ong, firm, scabro and 20s ecd 
the ey and br anches, sessile: ue relatively Pu piden singly 
ating t su bran chlets: high; bracts linear or slightly 
cade d upward, the dark- 2 pide slightly ib y-flowers numer- 
ous; ligules 7-10 mm. long, violet: achene glabrous.—Dry pinelands, ieee 
Plain, Fla. to Miss. and Ga.—Fall.—Remarkable among asters in its min 
adnate NOUS ike leaves. 
A. Walteri Alexander. Stem 2-6 dm. tall, Rr branehed above or 
throughout, ne pis idus fii very numerous, the basal spatulate to cune- 
ate, entire, the cauline approximate or contiguous, rigid, reflexed ; blades elliptic- 
acca to 5 or "o ovate, 2-9 mm. long, ciliate, serrate, closely ses- 
sile: heads few, widely scattered, terminating scaly branchlets: involucre 5-6 
