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trilobus. 
tuberosus. 
DIADELPHIA, DECANDRIA. 
3. P. twining, pubescent ; lower folioles rhomboid- 
oval, upper trilobate; capituli on long pedun- 
cles ; legumens linear.— Mich. 
Phaseolus trilobus, Mich, not of Willd. and Ait. 
which latter is Dolichos trilobus, L. 
P. vexillatus, Walt. 
Glycine angulosa, Willd. 
Is this P. angulosus, Pers. ? 
On the high sandy banks of the Delaware, Jersey side, about 
four miles below Kaighn’s point; rare. Annual. July. 
322. APIOS. [Glycine. Gen. pl.] (Leguminose.) 
Calix sub-bilabiate, truncate, with but a sin- 
gle denture situated beneath the carina. 
Carina falcate, reflecting the apex of the 
vexillum. Germ cylindrically sheathed 
at the base. Legume many-seeded.— Wutt. 
1. A. twining, glabrous; root tuberous; leaves 
pinnate ; folioles 5-7, ovate-lanceolate, narrow 
above; spikes crowded, shorter than the leaves. 
—Pursh. ) 
Apios tuberosus, Pursh. 
Glycine Apios, Willd. 
icon. Bot. Mag. 1198. 
Wild Potatoe-wine. 
Root tuberous, esculent. Flowers brownish purple. In 
bogs of Jersey, and along hedges elsewhere ; not uncommon. 
Perennial. July. . 
323. GLYCINE. Gen. pl. 1182. (Leguminose.) 
Calix 4-cleft, subequal, upper segment bifid, 
base partly attenuated. Vew«illum oboval; 
wings bidentate at the base; carina often 
incurved, suorter than the vexillum. Germ 
naked atthe base. Legume oblong, com- 
pressed, 2-seeded, sessile-— Nutt. 





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