1438 CARDUACEAE 
23. H. Maximiliani Schrad. Perennial: stem 1-2 m. high, very scabrous, 
the S 
. long, and bea a heads: heads shox wy: braets of ae involucre narrowly 
Ere pape: qus scabrous- CR E) attenuate, longer than the disk, 
loose, but not reflexed: ray-flowers with many, but sho rt ligues. distinetl 
cupped: disk en often 2 cm. wide, its e yellow. a S ne and rocky 
2 plains and prairies, various provinces, Tex. to Man E adv. 
n the E U. S.—The Texan specimens are often coarsely ta pene rou 
24. H. giganteus L. Perennial with numerous short rootstocks and crown- 
longer then the disk,.dark green, glabrous, but conspicuously ciliate: ray- 
flowers with ligules s about 1.5 em. long, oval, light- yellow: disk relatively large, 
5 em. wide, its corollas ye ean v.—Sw mps and wet thickets, various 
provinces, N. C. to Colo., Sask., Ont., : 
25. n montanus E. E. Watson. Perennial: stem eee . high, dip ous, pur- 
ple, striate, more or ie Saou, branching above: leaves alterna ate, blades 
ARA about 12 e m. long, serrate, slightly Penney upper surface strumose- 
rous, lower surface paler and gla brous except on the hispid nerves, the 
petiole narrowly ese dion to its De inflorescence of 2 or 3 heads on 
r 
wide, its florets yellow, the rays about 2 em. long, the achene slender and 
glabrous, chaff 3-cuspidate. —Stony or sandy soil various provinces, Fla. and 
Ga. 
26. H. alienus E. E. Watson. Perennial, with coarse woody roots: stem 
1-1.5 m. high, stout, scabrous toward the apex, purplish, sulcate: leaves alter- 
nate; blades lanceolate, obscurely denti culate, very narrowly sessile, 11-15 cm. 
long, n e Bud 'geabro ous above, sparingly but long- hispid beneath, > 
ft 
s prom inflor cua few-flowered: heads showy: bracts o he 
eai nm pe ieolate, about as long as the disk, densely hispidulous, EN 
ing-eiliate: ray-flowers with ligules about 1.7 em. long: disk about > 3 cm. wide, 
its corollas yellow, the chaff entire.—Woods, Blue Ridge, N. C. Va. 
27. H. laevigatus T. & G. Perennial, with rootstocks rarely more than 
cm. long: stem slender, erect, glabrous, 1-2 m. high: leaves mostly opposite, 
ral ab in vigorous plants; blades narrowly, or o very broadly, 
lanceolate, pointed at both ends, glabr n both : infioresce ew- 
flowered panicle: heads small: bracts of the involucre lanceolate, En í 
little longer than the disk; disk rarely exceeding 8 mm. in diameter: ray- 
lon 
flowers with ligules 1-2 em. long: E corollas yellow.—W oods, Blue Pi idge 
and adj. provinces, N. C. to Ky. and V 
28. H. glaucus Small. Perennial, with rootstocks 2-5 em. long: stem pur 
ple, branehed, glabrous, glaucous, up o nearly 2 m. high; leaves EIN TT 
above, though often all opposite: blades ovate to lance olate, firm, scabrous 
a 1 y brown: 
bene 
heads many, small: bracts of the involucre lanceolate, about as long as the 
disk: disk about 7 mm. wide, the corollas yellow.—Dry woods, various provinces, 
Fla. to Miss., Ark. (2), a and N. J. 
