196 xlvii. § papilionacej3 (baker). [Vigna. 



1. V. Burchelli, Earv. Fl. Cap. ii. 239. Stems shrubby, suberect, 

 copiously branched, slender, terete, glabrous. Stipules small, lanceolate, 

 with a long spur. Petioles 2-3 lines, glabrous ; leaflets 3, central one 

 ovate -lanceolate, 1-2 in. long, the base rounded, apex narrowed gra- 

 dually to a bluntish point, tipped with a rigid mucro ; the petiolule \ in. 

 long ; lateral ones equal-sided ; texture coriaceous, both sides glabrous, 

 glaucous-green, the veinlets raised. Peduncles 2-3 in. long, firm, gla- 

 brous, bearing 3-6 flowers in an umbel at the apex. Bracts small, 

 lanceolate, spurred. Pedicels \ in. long, bearing two small ovate spurred 

 scarious bracteoles adpressed to the calyx, which is half an inch deep, 

 the tube campanulate, the teeth four, the three upper ones lanceolate, 

 reaching halfway down, the lowest longer, rigid and subpatent. Corolla 

 rose-red, twice the calyx ; standard J-| in. broad ; keel with an acute 

 recurved beak. Pod unknown. — Otopteris Burchellii, DC. Prod, ii, 240. 



South Central. In the interior, near the Tropic of Capricorn, Chapman and 

 Baines! Kalaghari desert, near Lake Ngami, Maccabe! 



A very distinct species, with the keel of a Crotalaria. Also a plant of the Cape. 



2. V. frutescens, A. Rich. Fl. Abyss, i. 218. Eoot fusiform. Stem 

 shrubby below, slender, twining, terete, pubescent upwards. Stipules 

 ovate-lanceolate, tomentose. "Leaflets ovate-oblong, slightly hastate, 

 the lateral ones unequal-sided, and more deeply lobed on the lower side, 

 clothed on both sides with grey tomentum. Peduncles exceeding the 

 leaves, 1-4-flowered. Calyx campanulate, tomentose, with four lanceo- 

 late teeth equalling the tube. Corolla pale violet, standard glabrous. 

 Young pods terete, very slender, silky. 



Nile Land. Abyssinia, Petit. 

 Not seen. 



3. V. lancifolia, A. Rich. Fl. Abyss, i. 221. Stems annual, suberect, 

 under a foot high, slender, striated,* slightly pilose. Stipules small, 

 lanceolate acuminate. Petioles an inch long, subglabrous ; leaflets 3, 

 central one linear-lanceolate,. 1-1 \ in. long, 2 lines broad, narrowed 

 gradually from near the base to the apex, the petiolule very short, 

 lateral ones equal-sided, under surface thinly adpressed grey-silky. 

 Flowers 2-4, on peduncles which exceed the petioles. Bracts small, 

 linear. Pedicels a line long ; bracteoles blunt and very minute. Calyx 

 campanulate, 2 lines deep, subglabrous, the teeth lanceolate, reaching 

 half down, the upper two connate. Corolla rose-red, more than twice 

 as long as the calyx ; keel truncate. Pod terete, 1 J in. long, 2 lines 

 thick, densely ferruginous-bristly, 6-8-seeded. 



Nile Land. Abyssinia, Quartin- Dillon! 



4. V. oblongifolia, A. Rich. Fl. Abyss, i. 220. Stems herbaceous, 

 slender, wide-twining, slightly tawny-bristly. Stipules minute, ovate 

 acuminate. Petioles 1J-2 in. long, slender, thinly bristly ; leaflets 3, 

 the central one ovate-lanceolate, 1J-2J in. long, the upper half nar- 

 rowed gradually to a point with a mucro ; petiolule 4 lines long ; lateral 

 ones slightly unequal-sided, upper surface glabrous, lower thinly- 

 bristly when young. Flowers 2-4 on densely bristly peduncles about 



