1494 CICHORIACEAE 
long, glandular- ddp x 3— - 5 mm. aom cs * woods, p hill- 
sides, and pinelands, ous provinees, Fla Ont., and Mass.—Sum.- 
fall.—The plant with road ba a T ree extending ee to the 
base of the PEDE from Florida, has Don described as H. floridanum. 
6. H. megacephalon Nash. Plant 2-7 dm. tall, the stem hirsute, sometimes 
sparingly so, throughout: tae odis persistent; blades spatulate d D ate, 
b 
4-17 em. long, more or less shaggy-pubescent: cauline leaves fev lades 
spatulate dd ate, d or wi olate: peduncles finely Dub and 
glandular er bra of the involucre 9-11 mm. long, glandular-pubescent: 
achene 4.5- 55 mm. s —Pinelands, pen. Fla. and Coastal Plain of Ga.—All 
H. argyraeum Small Plant 1.5-5 dm. tall, the stem more or less hirsute 
d glandular above: basal leaves persistent; blades spatulate, obovate, or 
ic, 2-13 em. lo 
elliptic, 2—13 . long, more or less shaggy-pubescent: cauline leaves few ; 
blades ee obovate, elliptic, or E or peduncles closely glandular 
pubescent and finely tomentulose: inner bracts of the involucre 8-10 mm. long, 
bu. Sube. sometimes aco pA so: aehene 4—4.5 mm. long.—Ham- 
mocks and open pinelands, Fla.—All 
. H. venosum L. Plant 2-6.5 dm. tall, the stem (scape) usually glabrous 
and purple-tinged: basal leaves persistent; blades obovate to spatulate, 3-15 
m. long, undulate or repand-dentieulate usually pale-green and purple- -veined, 
glabrous or pubes 
sometime rple beneath, glab cent near the se: ped es 
glabrous or spar d cae p inner bracts of the involucre 6-7 
jong : achen RATTLESNAKE-WEED. PoOR-ROBIN’S 
ong.— 
ANTAIN.)—Dry icd shaded ns and p often in acid soil, various 
dorsum Ga. to Nebr., Mass., and Me.—Sum 
9. Greenii Porter & Britton. Plant 3-9 dm. tall the stem (scape) 
i oue or finely pubescent, often only in = basal leaves persistent; 
ndulate E 'ha 
e, 0 
haggy-pubescent, especially near the margins pet at the pss bright green: 
a s finely white a and E pubescent: inner bracts of 
the involuere 8-11 mm. long: achenes 3-3. . long.—Dry woods and open 
slopes, Blue Ridge a more N provinces, A on Ala., Ohio, and Pa.—Spr. 
10. CREPIS L. Annual or biennial herbs, resembling Hieracium, with 
glabrous or sparingly pubescent foliage. Leaves alternate: blades mostly re- 
and or pinnatifid. Heads few—many- doneréd, paniculate or corymbose. In- 
volueres narrow: bracts usually in a single row or in several rows. Corollas 
yellow. Achene narrow. Pappus of white soft hairs.—About 200 species, 
natives of the Northern Hemisphere. 
Involucre 6-8 mm. high: achenes fusiform, beakless. 
Leaf-blades uncia DINAR atifid : invo olucre 6—8 mm. high: achene 
2.5—3 mm. lon . C. tectorum. 
pe pend ly rate- pinnatifid : involucre 3.5—4.5 mm. high : achene 
1.5-2 mm. lon 2. C. japonica. 
Involucre 9 "12 inm. high: achene slender-fusiform, beaked, the 
marginal ones filiform-beaked. 3. C. foctida. 
1. C. tectorum L. Plant usually branched at the base, 2-4 dm. tall, spar- 
ingly baten leaf-blades elliptie, lanceolate, or linear-lanceolate in outline, 
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