Vigna. } LEGUMINOSAE, 105 
long, bearing toward the apex 4—8 distant 2-flowered nodes; pedicels 
ess than 1“ in length, recurved. Bracts and bracteoles linear-lanceolate, 
the former 2-3“, the datter 1“. Calyx tubular, 2“, its 5 short teeth 
— 
portion, as is the keel, greenish below. Ovary silky. Pod linear, 3—4‘ 
long, scarcely 1'/2‘’ broad, septate between the seeds, almost terete when 
ripe, the thin valves twisted after opening. Seeds numerous, oblong or 
ot santa, mottled, with a short Lee hilum. — 
Jacq. Icon. Rar. tab. — Mann, Fl. Haw. Islds. p. — Griseb. 
Fl. W. Ind. p. 197. — i. Lath Gted: L. 
a ve ere near Honolulu and elsewhere. Of recent jutendictions, A native of tropical 
16. VIGNA, Savi. 
e two upper teeth of the calyx connate or distinct. Standard orbi- 
icles at the base. Wings falcate, 
oblong, shorter than the standard. Keel curved, as long as the wings. 
Upper stamen free; anthers uniform. Ovary sessile, many-ovuled. Style 
2 
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oblique or lateral. Pod linear, straight or nearly so, mostly terete, 2- 
valved, projecting between the seeds. Seeds oblong-angular or pee 
shaped, with a short lateral rhaphe. — Twining or prostrate herbs with 
pinnately 3-foliolate stipellate leaves. Flowers yellow or rarely purplish, 
in racemosely arranged fascicles at the end of axillary nodose peduncles. 
Bracts and bracteoles small, deciduous. 
A genus of about 30 species growing in the tropics of both Worlds. 
mrs obovate, triplinerved; flowers 6—7" long; pods flattened, 
torulose, with thick valves 1. V. lutea. 
All or only the upper leaves linear or narrow: Janceolate, acute, ‘of 
firm texture ; flowers 11—12” ; pods rather terete and thin, the valves 
twisted after dehiscence - 2. V. Sandwicensis. 
All leaves small ovate, thin; flowers and pods as in no. 2; seeds 
black . 8. V. Oahuensis. 
V. lutea, Sn Bot. U. S. E. ep. p. 452. — A prostrate trailing 
perennial, several feet long, scarcely twining. Leaflets rather fleshy, 
pubescent when young, ovate or obovate or suborbicular, the lateral ones 
oblique, subrhomboidal, 2—2'/2/  1'/2—2!/s‘, triplinerved; the rhachis 
(1"/2—21/2") and petioles pubescent, the latter 1—1'/2“, their stipellae half 
as long, the stipules acute, 14/2’, soon ecaducous. Peduncles thick, 3—5' 
long, scarcely nodose, the yellow flowers racemose in the upper fourth, 
single or in fascicles of 2 or 3; pedicels 1'/2—2“, at length reflexed, the 
calycine bracteoles ovate, obtuse, less than 1". Calyx campanulate, 2”, 
the 4 teeth 1/s the length of the tube, the upper one short, broad and 
obtuse, the 3 lower ones triangular, acute. Standard orbicular, 6—7“ 
