SYNGENESIA SUPERFLUA. 411 
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crowned with two scabrous bristles. Receptacle flat, chaffy. Scales ob- 
long, obovate, somewhat acute, hairy, a little shorter than the florets. 
Grows in the middle country of Carolina and Georgia. 
Flowers August and September. 
2. SlNUATA. 
Y. foliis alternis, ses- 
silibus, sinuatis, basi- 
attenuatis; floribus co- 
rymbosis, albis; invo- 
lucris imbricatis. 
Leaves alternate, 
sessile, sinuate, attenu- 
ate at base; flowers in 
corymbs, white; invo- 
lucrum imbricate. 
Y. Laciniata. Nutt. 2. p. 170. 
Root perennial. Stem herbaceous, erect, four to six feet high, pubescent, 
striate, and towards the base irregularly winged. The upper and lowest 
leaves frequently spathulafe, ovate, acute and acuminate, the intermediate 
deeply sinuate, with the sinuses obtuse and the lobes generally acute, all 
scabrous on the upper surface, pubescent underneath. Involucrum about 
ten-leaved, leaves pubescent, slightly obovate, scarcely half as long as the 
disk. Florets of the ray three to five, white, oval, twice as long as the 
disk; of the disk twelve to twenty, tubular, with the border five-cleft. An- 
thers as long as the corolla, like those of the preceding species nearly black. 
Seeds cuneate, obovate, compressed, winged, crowned with two awns, the 
awns and wings hairy. Receptacle small, chaffy. Scales lanceolate, con- 
cave, compressed, acute, pubescent, a little longer than the seeds. 
I sent specimens of this plant to Dr. Muhlenberg many years ago, under 
the name of V. Sinuata; as it still appears to me the most appropriate name 
I have retained it. 
Grows on the sea islands in sandy soils, Eddings’ Island, Hilton Head. 
Flowers October and November. 
3. SlEGESBECKIA. Mich. 
V. caule alato; foliis 
oppositis, ovato-lance- 
olatis, utrinque acumi- 
natis, acute serratis; co- 
rymbo brachiato; ra- 
mulis summitate irre- 
gulariter multifloris. 
Stem winged; leaves 
opposite, ovate-lanceo- 
late, acuminate at each 
end, acutely serrate; 
corymb brachiate; 
branches irregularly 
many flowered at the 
summit. 
