SYNGENESIA SUPERFLUA* 399 
Sp. pi. S. p. 2162. Mich. 2. p. 132. Pursh, 2. p. 561. Nutt. 2. p. 
168 . 
Chrysanthemum Carolinianum. Walt. p. 204. 
Root perennial. Stem erect, about two feet high, smooth, somewhat stri- 
ate. Leaves alternate, sessile, lanceolate, smooth, with the margins sca- 
brous. Panicle composed of a few rigid, one-flowered branches. Involu- 
crum imbricate, with the scales subulate, nearly equal. Florets of the ray- 
linear, entire, white, tinged with pink; of the disk yellow. Seeds com- 
pressed, crowned with a five-toothed margin. Receptacle naked, hemisphe- 
rical. Sp. pi. 1. c. 
Grows along the banks of swamps and ponds in Carolina, Pursh. Waif 
ter appears to have seen this plant. I have not met with it in the low 
country of Carolina. 
Flowers August — September, 
2. Glastifolia? 
B. foliis inferioribus 
serratis; floribus brevi- 
ter pedunculatis; semi- 
nibus obcordatis, con- 
spicue alatis, pubescen- 
tibus; aristis pappi 2 — 
4, elongatis, scabris. 
Lower leaves ser- 
rate; flowers on short 
peduncles; seed obcor- 
date, conspicuously 
winged, pubescent; 
awns of the pappus 2 
— 4, long, scabrous. 
Sp. pi. 3. p. 2l6l. Mich. 2. p. 132. Pursh, 2. p. 56l. Nutt. 2. p. 
168 . 
Root perennial. Stem erect, branching, three to four feet high, slightly 
angled, very smooth. Leaves long-lanceolate, acute, somewhat glaucous 
with the margins cartilaginous, the lower ones remotely toothed, the upper 
ones obscurely five-nerved. Flowers solitary, on long scattered branches. 
Involucrum imbricate, leaves subulate, glabrous, with the margins slightly 
serrulate. Florets of the ray about thirty-six, white, with their summits 
slightly three-toothed; of the disk numerous, yellow. Stamens a little lon- 
ger than the florets. Style as long as the stamens, two-cleft. Seeds pubes- 
cent, compressed, obovate, of the ray three-winged; of the disk two-winged; 
the wings fringed. Pappus of ten or more scabrous bristles, of which two^ 
three, or four are sometimes long, the rest very short. 
Grolvs in the river swamps, common on the Ogeechee. 
Flowers August— November. 
