198 xlvii. § papilionace^ (baker). [Vigna. 



lanceolate acuminate, £-§ in. Petioles J-l in., densely pubescent ; 

 leaflets 3, subcoriaceous, persistently clotbed on both sides with ad- 

 pressed grey silky hairs ; end one oblong* 2-3 in. long*, blunt or sub- 

 acute ; petiolule f-^- in. ; lateral ones unequal-sided. Peduncles 2-3 in. 

 long-, clothed with adpressed silky hairs, 2-3-flowered. Calyx |-§ in. 

 densely adpressed grey-silky ; teeth 5, linear-setaceous, plumose, reach- 

 ing* three-quarters down. Corolla reddish, | in. ; standard 1 in. broad ; 

 keel not rostrate. Ovary linear, densely silky, multiovulate. Pod un- 

 known. 



Lower Guinea. Pungo Andongo, Angola, Dr. Wehvitsch ! 



Closely allied to this is V. Kotschyi, Schweinf. Rel. Kots. 29, t. 22, from Nubia, of 

 which the leaves are not known. It has a densely grey-tomentose stem, flowers 2-3 

 together on long or short peduncles from leafless branches, calyx \ in. long, with five 

 subequal lanceolate teeth as long as the tube, a pair of small linear bracteoles at the 

 base, and a reddish corolla an inch deep, with an unbeaked keel. 



9. V. radicans, Welw. mss. Rootstock slender, fusiform. Stems 

 slender, herbaceous, wide-trailing', rooting" at the nodes, clothed with 

 fine spreading" silky hairs. Stipules minute, ovate-lanceolate. Petioles 

 2-3 lines ; leaflets 3, papyraceous, bright-green, clothed equally with 

 adpressed grey bristles on both sides ; end one oblong subacute 2-2| 

 in. ; petiolule \— J in. ; lateral ones smaller, nearly equal-sided. Flowers 

 1-4 close together on slender ascending peduncles 2-4 in. long, clothed 

 especially in the upper half with reflexed black silky hairs. Calyx § in., 

 subsessile, clothed with similar hairs mixed with grey ones ; teeth 5, 

 linear-setaceous, twice the tube. Corolla deep violet-purple, | in. ; 

 standard and point of keel not at all recurved. Pod linear, clothed 

 with black silky hairs, 7-8-seeded, slightly recurved, only seen im- 

 mature. 



Lower Guinea. Highlands of Huilla, social in damp pastures, Dr. Welwitsch ! 



10. V. reticulata, Hook.f. Fl. Nigr. 310. Stems herbaceous, wide- 

 climbing, clothed with conspicuous spreading grey or brownish silky 

 hairs. Stipules J-f in., lanceolate-peltate. Petioles 1—3 in. ; leaflets 

 3, papyraceous, persistent, clothed with adpressed grey hairs on both 

 sides, the veinlets beneath raised ; end one lanceolate, reaching 5-6 in. 

 long, acute ; petiolule J— f in. ; lateral ones similar, scarcely unequal- 

 sided. Flowers 2-4 close together on peduncles 2-4 in. long. Calyx 

 |-f in., clothed with adpressed grey-silky hairs ; teeth 5, equal, linear- 

 setaceous, reaching three-quarters of the way down. Corolla reddish, 

 equalling or slightly exceeding the calyx ; the, keel not rostrate at the 

 point. Pod linear, straight, terete, 2J-3 in. long, black when mature, 

 densely clothed with shining dark-brown velvety bristles when young ; 

 seeds 10-12. 



Upper Guinea. Niger land, Vogel ! Barter ! 



Lower Guinea. Pungo Andongo and Golungo Alto, Dr. Welwitsch! 



Var. /3. V. Unearifolia, Hook. f. Fl. Nigr. 309. Leaflets linear, the end one 6-7 in. 

 long, f~4 in. broad, narrowed gradually from near the base to an acute point. 

 Upper Guinea. Niger country, Dr. Vogel! 



