CARDUACEAE 1415 
27. S. Mohrii Small. Stem 6-12 dm. tall, DUAEEY- e Beanie alternate; 
blades ovate-lanceolate to narrowly ovate , 5-2 ong, minate, remotely 
serrate with prominent teeth except near "the base or ne undulate: heads 
c 
high; bracts lanceolate to ovate-lanceolate, acute or slightly acuminate, densely 
hispid and conspicuously long-ciliate: ray flower a w ligules yellow, 10—14 
mm. long: achene obovate, about 7-9 m ong, t ing- tips aeutish or blunt, 
iai separated.—Dry soil, Interior Low F “and Appalachian Provinces, 
Ga. to Ala., and Ten n.— Sum.-fall. 
60. CHRYSOGONUM L. Perennial, depressed, stoloniferous her 
aves opposite: blades toothed. Heads erect. Involucre hemispheric: pen 
mee the — foliaceous. Ligules of the ray yellow. Disk-flowers with 
short abortive ovaries and corollas with a very short tube and funnelform 
throat. Filaments less than half as long as the anthers. Style glabrous. 
Achene wingless. Pappus a half cup-shaped crown.—Two or three species. 
Leaf-blades truncate or abruptly cuneate at the base, deltoid- 
ovate: plant eventually caulescent. 1. C. virginianum. 
Leaf-blades s radually tapering at the base, elliptic: plant 
2. C. australe. 
Stem hirsute, Ta sometimes 6 dm eaf- 
blades lightgr Eom deltoid- -ovate, 2.5 em. long, long MEER short pubescent on 
both involucre hirsute: outer 
bracts py mm. ee pina a ithe ray 
y 
lon 4.0 m 
long.—Dry woods * E leider, Consti Plain 
to Blue Ridge, Fla. to La. , Ten nn., 
Spr. 
2. C. australe Alexander. S e 
long: mature ache ene not seen.—Dry woods, 
various provinees Fla. to Ala. and N. C.— 
Spr. 
61. BERLANDIERA DC. Perennial, erect herbs, with large roots. 
Leaves alternate: blades toothed or pinnatifid. Heads more or less nodding. 
Involuere somewhat depressed: bracts broad, often veiny.  Ligules of the ray- 
very short tube and a funnelform throat. Filaments nearly as long as the 
anthers. Style pubescent. Achene wingless, 1 ribbed within. Pappus obsolete 
or of 2 caducous-awns.—About 8 species, North Ameriean.—Sum.-fall, or all 
vear S.—GREEN-EYES. 
Leaf-blades merely toothed or evenly pinnatifid near the base, 
often gray-woolly or tomentos 
Plants with ed leaty to near "the inflorescence. 1. B. pumila. 
Plants with s 2. B. humilis. 
Leaf-blades pinnatilid throughout: stem hispidulous. 3. B. subacaulis. 
1. B. pumila (Miehx.) Nutt. Stem 2-9 dm. tall, gray-woolly: leaf-blades 
"m rm or oval, 4-10 em. long, obtuse, erenate, truncate or subeordate 
