1376 CARDUACEAE 
24. A. Proteus Burgess. Plant small, racemose, with many eordated leaves, of 
ys i ned texture but with little hair: stem sle nder, apt to be glabrate, and 
3 dm. high, sometimes 7 dm uid A little branched, but sometimes forkin ng 
near the be "uen somewhat re ; blades pe polymorphous, thick 
or thin; radicals numerous, rese Bn ng violet lea r less, 
cordate- ovate, almost acute, finely subcrenate, often A ae on 153 ‘prolonged 
and very slender petioles: cauline leaves tend to assume about 4 types; the 
first, or basal, all similar to the radical, but with du idu PR narrowly 
eordate-triangular and aeutish, md. serrulate, soon becoming entire; es s 
form, triangular-lanceolate, sloping into a distinet D E tiole; third, 
rowly linear an j ad taper 
acute, sessile by a broad base or with very short broad w ms merous, much- 
reduced and disappearing among the middle axils: inflorescence pues nude, a 
: isk 
species: bracts linear, briefly e clo Edo 20m the green tips con 
spieuous, narrow diamond-form or narrow lanc —Dr ry ground, Coasta 1 
Plain, Fla. to Miss. and N. C.—Sum.-fall. 
25. A. asperifolius Burgess. Plant small, racemose, minutely tomentulose 
throughout, very rough and heavy in te xtures stem often but 3 dm. high: 
leaves subcoriaceous; blades hispid, subentire, obtuse, ovate-elliptie and longer 
than their short petioles; ener ves m amie adnate, subulate-filiform ; radical 
es a ief c i r, naked or nar- 
beo 
rowly margined; am Tea dilation absent or rare: inflorescence a loose simple 
or compound naked receme, or several racemes which may become more short- 
peduncled and leafly: heads BU than in A. undulatus: bracts of the in- 
voluere fewer, slightly pubescent, appressed, Bou n acute, ips o 
rhomboid green tips. [4. asperulus T. & > not Wall]—Dry or sandy s 
Coastal Plain, Fla. to La. and S. c. — Fal athe most ae Pico and 
rounded-leaved of the southern correlatives 71 A. undulatus 
26. A. sylvestris Burgess. Stem slender, scabrous, erect, pale-green, usually 
4 dm. high, minutely pubescent: leaves resemblin ng A. undulatus, but blades 
broader, shorter, thinner, deeper-green, more uniformly a led; predominant 
leaf-form broadly short- diee e, acute, with rounded basal lobes, deep or ex- 
eavated sinus, broadly erenate or entire margin: petioles narrow, long and num- 
erous, dilated E: the base, gom otherwise winged: upper leaves elliptic-acute, 
soon sessile; rameals uniform and spreading as in A, undulatus, oval to linear- 
elliptic; radicals small, or d short- -petioled ; DIS. and webby hair ues 
on the leaves beneath bu tn velve ety: inflorescence irregularly spreading o - 
cending, of long racemose AM heads rather few: pedicels distinet, often 
m. long: ul 
acute at apex, arge and broad rey E Ape E n sounds: 
truellius ge iun Plant ‘small, erect, with little hair: stem erect, 
2 
stron ng but slender, rough: leaves subentir e 5x em., thickish, firm, r ough, 
typieally uoc quc lote with sides Fic tapered from the bani 
shouldered truneate = cordate base, in form sugge esting a mason ’s trowel: 
remarkable for its numerou rt narrow petioles with large Daal dilation, 
and above these, its poner petioles with slight basal dilation; radicals cor 
date-orbicular : hat velvety; axiles often deflexed, n ovate; 
rameals ib ped ligules of the ray short, pu urplish-blue: disks soon reddish- 
rown: bract-tips diamond-shaped, broad and br right-green.—Sandy thickets, 
various provinces, rarely Coastal Plain, Ga. to Ala., Ky., and Vt.—Fal. 
28. A. corrigiatus Burgess. Plant tall, robust, rough, with little hair, with 
predominantly narrow spearhead-shaped much-ruffied sessile leaves, foliose in the 
