204 XLVII. § PAPILIONACEH (BAKER). [ Vigna. 
28. V. triloba, Walp. ; Harv. Fl. Cap. ii. 221. Stems slender, wide- 
twining glabrous. Stipules lanceolate, } in., persistent, distinctly 
spurred. Petioles 1-3 in., slender; leaflets 3, glabrous, papyraceous, 
acute, end one ovate-rhomboidal or hastate with short bluntly rounded 
lateral lobes, 2-8 in. long; petiolule}in.; lateral ones unequal-sided, 
sometimes shortly lobed on the lower side. Flowers 1-2, subsessile at 
the top of glabrous spreading peduncles 1-4 in. long. Calyx 2 lines, 
campanulate ; teeth deltoid, shorter than the tube. Corolla bright red, 
$—Zin. long; keel shortly beaked. Pod linear, terete, 8-39 in. long, 
glabrous, recurved. 
Lower Guinea. Loanda and Pungo Andongo, Dr. Welwitsch! 
Mozamb. Distr. Between Tette and the sea coast, Dr. Kirk. 
Also a plant of the Cape. 
29. V. huillensis, Welw. mss. Stems wide-twining slender glabrous. 
Stipules deltoid, Lin. persistent, distinctly spurred. Petioles $-1 in. ; 
leaflets 8, acute, subcoriaceous, glabrous with raised veinlets on both 
sides; end one linear lanceolate or ovate-rhomboidal, 2—3 in. long; 
petiolule 3-4 lines; lateral ones often unequal-sided. Flowers 1-3 
sessile at the point of flexuose glabrous peduncles 1-14 in. long. Calyx 
§ in., glabrous, rugose-plicate, clasped by a pair of subpersistent roun 
bracteoles at the base; teeth deltoid shorter than the tube. Corolla 
light rose-violet above an inch deep; keel with a prolonged recurved 
beak. Pod linear glabrous nearly straight, not seen mature. ° 
Lower Guinea. Highlands of Huilla, 4000-5000 feet, Dr. Welwitsch! 
30. V. nilotica, Hook. f. Fl. Nigr. 311. Stems twining, subglabrous. 
Stipules lanceolate, 3—4 lines long. Petioles 1-2 in. long, glabrous 5 
leaflets 8, central one ovate-rhomboidal or slightly hastate, 2-3 in. 
long, pointed, the base broad-cuneate; petiolule }—2 in. long ; lateral 
ones unequal-sided, both sides glabrous. Flowers 4—8 in close racemes 
on peduncles 3-5 in. long. Bracteoles small blunt. Pedicel very short, 
glabrous. Calyx campanulate, glabrous, lin. deep; teeth deltoid, 
reaching a third down, the two upper ones connate. Corolla yellowish- 
green, -fin. deep. Pods 2-S3in. long, 1 in. broad, pendulous, sub- 
compressed, slightly curved, glabrous, slightly torulose, 6—8-seeded.— 
Dolichos niloticus, Delile, DC. Prod. ii. 899. D. sinensis, Forsk. not 
Linn. 
Upper Guinea. Senegambia, Perrottet. 
Wile Land. Nubia, Kotschy! Petherick! Abyssinia, Schimper ! Banks of the 
Mgeta, 7° S. lat., 38° E. long., Speke and Grant! 
Mozamb. Distr. Zambesi land, Dr. Kirk! 
prne principally or entirely under cultivation, and very doubtfully distinct from 
V. luteola. 
31. V. sinensis, Endl. ; Hassk. Pl. Rar. Jav. 386. Stems annual, 
twining, subglabrous. Stipules ovate-lanceolate, subpeltate, 4-6 lines 
deep. Petioles 2-0 in. long, glabrous; leatlets 3, central one roundish 
or ovate, 3-6 in. long, acute, the base rounded ; petiolule 1—2 in. long, 
lateral ones often unequal-sided, both sides glabrous. Flowers 12 6-12- 
