408 
SYNGENES1A SUPERFLUA. 
sessile, spathulate-lanceolate, dentate, hairy, sprinkled with glandular atoms. 
Flowers solitary, axillary and terminal. Involucrum one-leaved, deeply 
four-parted, the segments ovate-lanceolate, acute, hairy on the outer surface, 
glabrous within, the margins reflected and united render the involucrum 
four-angled, and in some measure four-winged. Florets of the ray six to 
eight, large lanceolate, unequally three-toothed, yellow; of the disk nume- 
rous, (about fifty,) tubular, yellowish, with the margin five-cleft. Anthers 
longer than the florets of the disk. Styles longer than the stamens, two- 
cleft. Stigmas reflexed. Seeds obovate, slightly angled, pubescent at the 
summit. Pappus 0. Receptacle conic, chaffy, the scales lanceolate, acu- 
minate, nerved, sprinkled with glandular dots. 
Grows in dry sandy soils. 
Flowers May — June, and frequently again in the autumn. 
BUPHTHALMUM. Gen. Pe. 1231. 
Involucrum foliace- 
um. Seminum latera, 
praesertim radii margi- 
nata. Pappus margo 
obsoletus, sive 4-den- 
tatus. Receptaculum 
paleaceum. 
Involucrum leafy. 
Angles of the seeds, 
especially of the ray, 
winged. Pappus an 
obsolete margin, some- 
times obscurely 4- 
toothed. Receptacle 
chaffy. 
1. Frutescens. 
§1 
B. foliis oppositis, 
cuneato - lanceolatis, 
carnosis, incanis; peti- 
olis bidentatis; caule 
fruticoso. 
Leaves opposite, cu- 
neate lanceolate, car- 
nose, hoary; the peti- 
oles 2-toothed; stem 
shrubby. 
Sp. pi. 3. p. 2064. Walt. p. 212. Mich. 2. p. 130. Pursh, 2. p. 563, 
Nutt. 2. p. 172. 
A small shrubby plant with stoloniferous roots. Stem one to two feet 
high, glabrous, pubescent at the summits, branching. Leaves opposite, ses- 
sile, semiamplexicaule, entire, obscurely three-nerved, glaucous, the attenu- 
ated base two to five toothed, sometimes on the branches one or none. 
Flowers solitary, terminal. Involucrum many leaved, imbricate; leaves 
lanceolate, acuminate, mucronate, expanding. Florets of the ray ten to 
twelve, yellow, lanceolate, nearly acute at the summit; of the disk numerous, 
