SYNGENESIA FRUSTRANEA. 
413 
Nutt. 2. p. 181. 
Stem three to four feet high, nearly terete but conspicuously winged, 
slightly scabrous. Leaves lanceolate, acute, serrate, slightly scabrous, vil- 
lous underneath, very slightly canescent, three to five inches long, two to 
three wide. Flowers in a small terminal corymb. Scales of the involu- 
crum ovate and oval lanceolate, nearly equal, hispid, arranged in two series. 
Florets of the ray ten to twelve, narrow lanceolate, one and a half to two 
inches long, bright yellow; of the disk numerous, yellowish. Seeds com- 
pressed, very slightly winged, hairy, crowned with two persistent awns 
about one third of their own length. Receptacle rather convex, chaffy, the 
chaff lanceolate, concave, rather longer than the body oi the seeds. 
Grows near Louisville, Georgia. Mr. Jackson. 
Flowers — 
2. Squarrosa. Nutt. 
A? caule erecto, ala- 
to, superne pubescente; 
foliis lanceolatis, ser- 
ratis, scabris; panicula 
laxa, foliosa; involucro 
patente; receptaculo 
subgloboso. 
Stem erect, winged, 
pubescent towards the 
summit; leaves lanceo- 
late, serrate, scabrous; 
panicle loose, leafy; 
involucrum expanding; 
receptacle nearly glo- 
bose. 
Nutt. 2. p. 181. f 
Coreopsis Alterriifolia, Sp. pi. 3. p. 2257* 
Verbesina Coreopsis, Mich. 2. p. 134. Pursh, 2. p. 565. 
a Flava. 
Riant three to seven feet high, erect, winged, glabrous when old. Leaves 
broad lanceolate, acute, serrate, scabrous, tapering at base to a short petiole. 
Flowers in a terminal panicle. Scales of the involucrum linear-lanceolate, 
expanding, finally reflexed, arranged in one? series. Florets of the ray 
about four, nearly an inch long, linear -lanceolate, expanding or reflexed, 
yellow; of the disk numerous. Seed compressed, slightly winged, a little 
hairy, crowned with two persistent awns. Chaff of the receptacle ovate- 
lanceolate, rather longer than the seeds. 
b Alba. 
Stem , leaves and panicle very similar to those of the preceding variety. 
Leaves narrow lanceolate, very scabrous and dotted on the upper surface. 
Scales of the involucrum about eight, linear-lanceolate, shorter than the 
disk, expanding or reflexed, arranged in a single series Florets of the ray 
none; of the disk numerous, white, glabrous. Seeds obovate, compressed, 
