Vigna.| LEGUMINOS (Harv.) 239 
gab) Mouth of the Omtendo, Drege! Natal, Gueinzius/ Krauss! (Herb. Hk., 
A native also of extra-tropical S. America. Leaflets rigid, 2-3 inches long, 1-14 
wide, reticulated. Peduncles short, few-flowered ; the short-stalked flowers rising 
from fleshy tubercles. Calyx } inch long. 
LV. VIGNA, Savi. 
Calyx bibracteate at base, campanulate, 4—5-fid (the upper lobes sepa- 
rate or connate), the lowest longest. Veailwm ample, patent, with an 
arched and vaulted claw, and two callous ridges at base within ; ale 
oblong, produced at base, or eared on the claw ; carina not twisted, in- 
flexed or rostrate. Stamens diadelphous or monadelphous, nearly to 
the middle. Disc sheathing. Ovary linear, several-ovuled ; style com- 
pressed and channelled on one side, incurved ; stigma hooked, oblique. 
Legume terete or compressed, subfalcate, subtorulose, with cellular parti- 
tions between the seeds. Seeds subreniform, with a small strophiole. 
Endl. Gen. 6675. Otoptera, DC. Prod. 2, p. 240. Scytals, Sphenostylis 
and Strophostylis, H. Mey. : 
Voluble or erect suffrutices or herbs, natives of the warmer parts of both hemi- 
spheres. Leaves pinnately trifoliolate. Flowers on long peduncles, floriferous at the 
summit or racemose. The pods of many may be eaten as Kidney beans. V. Catjang 
(Dolichos Catjang, Linn.) is commonly cultivated in the colony for its pods. Name, 
from Domenic Vigna, a commentator on Theophrastus. 
: ANALYSIS OF THE SOUTH AFRICAN SPECIES. 
Peduncles 2-4-flowered at the summit : 
Rigid, suberect, ligneous, nearly glabrous undershrubs ; leaves coriaceous, lanceo- 
late or linear, mucronate : ; 2 
Calyx 4-fid, its lobes lanceolate inate, very acute ... (1) Burchellii. 
2 
Calyx-lobes very short, broad, and blunt ... Ss veges (ay istifol 
Voluble or prostrate, herbaceous or scarcely ligneous plants, more or less hispido- 
pubescent : 
Leaflets ovate, oblong, or lanceolate or linear, not lobed : 
*~ Cal -segments short, broad, blunt igs oe = ode (3) margi : 
Calyx-segments acuminate; carina spurred at one side ne wails. 
1. V. Burchellii (Harv.) ; suffruticose, diffuse or suberect, much-— 
branched, nearly glabrous ; leaflets ovato-lanceolate or lanceolate, rigid, 
setaceo-mucronate, glabrous ; stipules sagittato-peltate, ovato-lanceolate, 
stipellee subulate ; peduncles longer than the leaves, 2-4-flowered at 
the summit; calyx campanulate, deeply 4-fid, the lobes lanceolate, acumi- 
nate, very acute ; carina falcate-acute ; ale with an ear-shaped appendage 
to the claw; legume... - ? Otoptera Burchellu, DC. Prod. 2, p- 240, 
Mem, Leg.t. 42. | ~ 
Has. Interior of S. Africa, Burchell. Zooloo Country, Miss Owen! (Herb. D.) 
Stems ligneous, diffuse ; the branches rigid and suberect. Petioles $-} inch long. — 
Adult leaves 1-24 inches long, }-} inch wide near the base, quite glabrot e 
unger puberulous, all tipped with a long, setaceous mucro. uncles 3-5 inches 
ng, umbellate ; pedicels 3-6 lines long. The two upper segments of the calyx are 
ee 
