60 
SYNEDRELLA nopiriora. 
Sessile-flowered Synedrella. 
SYNGENESIA POLYGAMIA SUPERFLUA.—Nar. Orv. COMPOSIT#, 
Div. CoryMBIFER#, De Cand.—SyNAaNTHEREA, Trib. HELIANTHEA, Cassini. 
Gen. Cuar.—Znvolucrum diphyllum. Receptaculum paleaceum, glumaceum. 
Semina planiuscula, marginata, bicornia, dissimilia, disci marginibus inte- 
gris, radii inciso-dentatis. 
Synedrella nodiflora. 
S. nodiflora, Gartn. De Fruct. p. 456, t. 171.—Ruicu. in Pers. Syn. v, ii. 
p- 472. 
Verbesina_ nodiflora, Linn. Sp. Pl. p. 1271.—Wiutup. Sp. Pl. v. iii. p. 2226. 
—Art. Hort. Kew. ed. 2. v. 5. p. 121. 
An unattractive, herbaceous annual, with a fibrous root, and a cylindrical, 
glabrous, succulent, erect stem, about one foot or one foot anda half 
high; often branched near the base, the branches opposite. Leaves in 
distant pairs, opposite, the upper ones the largest, 3 inches long, all ovate, 
rather acute, flaccid, roughish with pubescence, 3-nerved at the base, 
the margin serrated, the base attenuated into a longish footstalk, which 
is connate with the footstalk of the opposite leaf, and has its margins cl- 
liated below. : 
mities patent, acute. Florets few, yellow, each within a chaffy scale, of 
length to the Floret. The seeds or pericarps similar in shape tot 
men, but thicker, larger, and with the inner surface nearly plane and 
wrinkled, the outer one convex, 
centennial AADAC 
VOL. I. 
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