JDIADELPHIA DECANDRIA. 
231 
the Dolichos and the Phaseolus, resembling the former very much in its 
habit and in the legumen, the latter in the structure of the corolla, and 
they might be arranged with either of these genera with great propriety, 
if only one feature ot its inflorescence is considered. 
DOLICHOS. 
Gen. Pl. 1181. 
Vexilli basis callis 
2-parallelis oblongis, 
alas subtus compri- 
mentibus. 
1. Luteolus. 
D. volubilis, pubes- 
cens; foliolis ovatis, 
acuminatis ; peduncu- 
lis foliis longioribus ; 
spicis brevibus, sub 
capitatis; vexillo lato, 
reflexo; alis rhomboi- 
deis. 
Base of the vexil- 
lum furnished with 2 
parallel, oblong callo- 
sities, compressing the 
wings. 
Voluble, pubescent, 
leaflets ovate, acumi- 
nate ; peduncles long- 
er than the leaves ; 
spikes short, somewhat 
capitate ; vexillum 
broad, reflected; wings 
rhomboidal. 
Sp. pl. 3. p. 1038. Pursh 2. p. 470. Nutt. 2. p. 112. 
*.»• ’* *'*►■ • ** 
Annual. Stem running over small shrubs. Leaflets ovate, tapering 
to a very acute point, very slightly acuminate, on peduncles 1—2 inches 
long. Flowers 3 — 5 at the summit of peduncles 2—4 inches long. Ca- 
lyx 5-cleft, with the lower segment longer than the rest. Corolla pale 
yellow. Carina rather longer than the vexillum, compressed, not at all 
spiral. Legumen somewhat compressed, a little hairy. 
Grows in wet land. Very common along the margins of the rice fields 
around Savannah. 
Flowers October — November. 
APIOS. Moench. 
Calyx subbilabia- | Calyx “somewhat 2 
tus, truncatus, uniden- | lipped, truncated, one 
