1488 CICHORIACEAE 
2. TRAGOPOGON [Tourn.] L. Biennial or perennial erect caulescent, 
rather coarse herbs. Leaf-blades narrow, long-attenuate, often sheathing at 
the base. Heads erect. Involucres relatively narrow: bracts elongate, often 
surpassing the disk. Achene terete or 5-angle , the inner at least slender- 
beaked.—About 35 species, natives of the Old Worl d. 
Bracts of the involucre surpassing the ligules: corollas'purple. 1. T. porrifolius. 
Bracts 2 the involucre as long as the ligules or shorter : corollas 
yello 2. T. pratensis. 
1. T. porrifolius L. Stem 4-15 dm. tall: leaf-blades elasping or sheathing 
at the base: curs E ici dun upward: bracts of the involucre 
2. T. pr ratensis L. Similar to T. porrifolius 
in habit: e abruptly thickened under 
the head: bracts of the involucre lanceolate, 
25-3 m. lon achene stout-fusiform, 
1.5-2 em. long, the beak shorter than the 
body.—(GoAT'S-BEARD.)—Fi and waste- 
P various provinces, Ga. to Ont. Nat. 
of E 
| 8. HYPOCHAERIS L. Perennial or rarely annual, scapose herbs, the 
seapes-often minutely scaly. Le af-blades entire, toothed, or pinnatifid. Heads 
showy, erect, long-peduncled. Involueres cylindric to campan nulate: bracts in 
several unequal series, the outer ones very small, the inner ones with dorsal 
crests near the apex. Corollas yellow. Stigmas slender, filiform or short. 
Achenes, the inner ones, at least, slender-beaked. Pappus ee bristles 
plumose.—About 50 species, Eurasian and South American.—Cat RS. 
Achenes uniform, all beaked : corollas much exceeding the pisci 1. H. radicata. 
Achenes of 2 kinds, the outer beakless, the inner beaked : rollas 
slightly exceeding the involucre. . H. glabra. 
1. H. radicata L. Plant perennial, 2-6 dm. tall: leaves mostly 4-17 cm. long, 
a blades spatulate in o outline, pe toothed or ages heads 2.5—4 
wide: ollas with very narrow ligules 
E fusiform, the bodies 3-3.5 m m. long, i 
spinulose, those of the inner ones at least 
eaks.—W aste- 
2. H. glabra L. ce Lage 2-5 dm 
tall: leaves rm 6—14 cm. lon ng, glabrous 
or nearly so; blades SUD ial to linear- 
Debes achenes various, the inner fusiform 
