CARDUACEAE 1383 
55. A. oblongifolius. Nutt. Stem much-branehed, 3-7 dm. high, a dna 
i e 
20-30; ligules violet-purple, rarely rose-pink, 6-10 mm. long: . pappus becomin 
j chene canescent. iri 
liries an uffs, 
various provinces mostly N of Coastal Plain, Ala. to nd Pa.— 
Sum.-fall.—4. Kwmleini Fries is not known in the east, ilio e specimens 
having been referred to A. oblongifoli Tus. 
diflorus L. Stem 3-7 dm. high, rather stiff, A 2: 
bra nehed, hispid ‘with short pow leaf-blades elliptic, linear, or what 
uus rigid, s e by à broad sometimes slightly elasping hace. rellered, 
entire, obtusish, napid the larger 5 cm. long, those of the branches very num- 
ous 4—10 mm. lon 1 
: : he ut : ; 
volucre hemispheric; bracts very squarrose and fol eous, imbricate in 5-7 
series, linear, or linear-elliptic, glandular, the outer obtusi sh, the inner acute: 
rays very numerous; ligules deep-violet, nearly 25 mm . long, 3 mm. wide: pappus 
becoming a achene d canescent.—Dry soil, Coastal Plain and adj. 
provinces, Fla. to Va.—Sum —Resembles A. oblongifolius. but heads larger 
and fewer, is ud ar 
97. A. novae-angliae L. Stem stout, 6-25 dm high, hispid-pubescent, 
thy mbos nos branehed above, very gel leaf- blades CH aa entire, 
one pubescent, sees em. long, 12-25 mm. wide, each clasping by an auriculate 
eads nume , 9-5 em. broad, clustered a the ends of the branches: 
ate 
un 
ing, pubescent b more or less glandular-viscid: ray-flowers 40-50; ligules 
linear, 10-16 mm. long, videt purple Moe a royal oe rarely ‘replaced 
by rose-color, or whi te): ent: pappus becoming reddish-white.— 
Fields and neutral soil ee en urn: provinees, rarely Coastal Plain, 
S. C. to Miss., Ark., Colo., Alta., and Que.—Sum .-fall. 
98. A. novi-belgii L. Stem slender, 3-9 dm. high, u sisaatiy much-branched, 
pe or slightly E air above: leaf-bla des laneeolate, elliptic- lanceolate 
i lanceolate, 9—12 em. long, firm, entire, or slightly serrate, glabrous or 
very n arly so, cuminate in the e apex, narrowe d, sessile, and more or less elasp- 
e 
e 
braets of the involuere obtuse, loose, spatulate, ranges marshes, from 
Ga. to E Ca A. nov a jatlanticus with lan Ecol e ie ‘blades pe iin 
from the middle to an acumin apex and base: heads ers 2 : inflor 
cenee racemose-corymbose, nud in swamps, from N. C. to 
