1434 CARDUACEAE 
Blades more or less pubescent, but n 
densely tomentose or tomentulose, 
Leaf-blades conspicuously resin- n 
ulos 
n le if ans lighter than the 
er, 41. H.resinosus. 
Leaf. lades Ades surface 
ighter than the upp 22. H. tomentosus. 
Leaf-blades n “conspicuously resin- 
dotted ath. 
Leaf-blades EU at the base, 
decurrent almost to d base of 
the. Bc etiole: bracts loos 42. H. validus. 
Leaf-blades T or at least 
broad toward the base, not de- 
Gent to pu "base of the peti- 
ole: bracts er 48. H. laetifiorus. 
angustifolius L. Perennial: stem 1-2 m. high, slender, simple to the 
infloreseene, hispid: obs alternate: “blades varying in width from 2—4 mm 
in sunny, 
exposed places to about 1 e 
moist, shady pd usualy m em. dons 
evolute xcept whe ray-flowers 
with bright A N Tiguls: ice of the disk- 
corollas red-purp t ground, wet pine- 
lands, woods, a x —€— Coastal Plain and 
adj. provinces, Fla. to Tex., Mo., and N. Y. 
—A showy plant, often in "large pet 
heterophyllus Nutt. Perenni 
lands, edges of swamps, and marshes, eu Plain, Fla. to an 
There are no erown buds no eth s; the longer of the fibrous roots pro T 
out 2 
cm. p. rom the ur which grows at once, the daughter plants often 
one the same season 
is ten 2 em. wide, corollas of the disk very dark.—Wet clay soil, low ne- 
La. N. 
3. H. L.  Perennial: stem about m. high, proud very 
n Pech pru to e. inflorescence: a ee large, approximate, 
opposite: blades mainly ovate, oval, or elliptic; the cauline dei alternate, 
roadly ovate, obtuse, t ae. blades abruptly contracted be t 
1 
short, deep yellow ligules: disk-flowers with very dar 
woods, ereek-banks, and shaded mountain sides, various provinees, Fla. to La. 
Mo., and Va. ib dc propagation is from axillary buds at the base of the 
NN 
a ery coarse in i 
hispid, the hairs often very long: heads 7 on the stem and branches, oe 
disk of ide 
4, H. rigidus (Cass.) Desv. Perennial: stem 0.7-1.75 m. high, rough, simple 
blades m ceolate, ed Ren. 
. een 
pressed, ‘obtuse, quibua ciliate: disk-cor oll : 
pus usually with many s vui ntermediate seales. [H. scaberrimus Ell. 
ae ae ae Rydb.]— andy soil, usually on prairies, various provi nces, 
Ga. to Tex.—The i "ed mem uen: tips which bear abundant rootlets. 
