454 
SYNGENESIA FRUSTRANEA. 
tifloro, involucro triplo I numerous, thrice as 
longiore. E. I long as the involucrum. 
Root perennial. Plant two to three feet high, very much divided, a lit- 
tle scabrous and clothed with long and somewhat hispid hair. Leaves alter- 
nate, sessile, semiamplexicaule and slightly cordate, villous near the base, 
tomentose on both surfaces, the lowest probably spathulate. Flowers 
terminal. Scales of the involucrum lanceolate, expanding, or deflected, 
very hairy. Florets of the ray twelve to twenty, lanceolate, two-cleft at the 
summit, yellow; of the disk very numerous, dark purple. Seeds four-an- 
gled, the margin obsolete or slightly four-toothed. Receptacle convex, 
chaff concave, linear-lanceolate, as long as the florets of the disk, externally 
tomentose near the summit; among the exterior rows of the chaff setaceous 
bristles longer than the seed are also interposed. 
Grows in the western districts of Georgia. 
Flowers August — October. 
8. Laevigata. Pursb. 
R. undique glaber- 
rima; foliis ovato-lan- 
ceolatis, utrinque acu- 
minatis, triplinervibus, 
parce dentatis; involu- 
cri squamis lanceolatis, 
longitudine radii. 
Pursh, 2. p. 574. Nutt. 2. p. 178. 
Everywhere smooth; 
leaves ovate-lanceo- 
late, acuminate at each 
end, triplinerved, spa- 
ringly toothed; scales 
of the involucrum lan- 
ceolate, as long as the 
ray. 
Leaves sub-coriaceous, very smooth and lucid, those of the root spathu- 
late ovate, obtuse, those of the stem not acuminate. Peduncles few, long, 
naked. Flowers fastigiate, disk oblong. Nutt. Florets of the ray pale 
yellow, short. Pursh. 
Grows in the pine barrens of Georgia. 
Flowersr- 
9. Discolor. 
R. ramis corymbo- 
sis, unifloris, peduncu- 
lis nudis, elongatis; fo- 
Branches corymb- 
ose, 1 -flowered, pedun- 
cles naked, long; leayes 
