256 xliv. leguminosjE. [Vigna 



41. VIGUA Savi ; Benth. & Hook. f. Gen. PL i. p. 539. 



1. V. procera Welw. ms. in Herb., sp. n. 



A handsome robust erect closely hairy herb, growing in dampish 

 situations to the height of 3 to 5 ft., with several stems, leafy 

 from the base to the apex, of a pretty green hue; branchlets 

 compressed-angular, furrowed, rather erect than patent; hairs 

 glistening; leaves trifoliolate, the upper ones 3 to 6 in. long; 

 stipules obliquely ovate, subacute dr acuminate, from a broad 

 sessile base, erect, not peltate, persistent, | to § in. long, hairy 

 outside, glabrous or nearly so inside ; common petiole § to J in. 

 long, hairy, stout ; leaflets oval-oblong, not lobed, obtuse at both 

 ends, apiculate, glandular-hairy on both sides, firmly chartaceous, 

 the terminal one 2£ to 5 by 1| to 2 in. on a petiolule of | to 1 in., 

 lateral leaflets 1| to 3| by f to 1| in. on petiolules of J^ to J in. ; 

 stipels small, ovate, partly glabrous, deciduous ; flowers about an 

 inch long, yellow, turning purple in the dry state, clustered a few 

 or several together at and near the extremity of lateral hairy 

 peduncles of 2 to 9 in. in length ; bracteoles lanceolate, acute, | in. 

 long ; calyx § in. long, hairy outside, glabrous or nearly so inside, 

 campanulate, deeply 5-cleft, on a very short pedicel; lobes 

 lanceolate-prolonged, acute, the two upper ones connate a little 

 higher and rather larger than the rest ; the lowest lobe a little 

 shorter than the rest; standard orbicular, obcordate, folded 

 together above the claw, with inflexed auricles; stamens dia- 

 delphous, the vexillary stamen free from the first ; filaments of 

 the other stamens connate two- thirds way up ; anthers uniform, 

 obtuse ; ovary compressed, linear, hairy, nearly £ in. long ; ovules 

 about 6 ; style glabrous below, penicillate at the apex, bearded 

 below the oblique stigma; disk surrounding the base of the 

 ovary cupuliform, 10-dentate; pods 1J to 2 in. long, £ to | in. 

 broad, somewhat compressed, not winged, more or less septate 

 internally ; seeds 3 to 6, renif orm, ^ in. long, rather compressed, 

 of a coffee-brown colour (in the dry state). 



Htjilla. — In grassy places, at the banks of the great lake of Ivantala, 

 at an elevation of about 4500 ft., sporadic ; with a few fl. and in fr. end 

 of Feb. 1860. No. 2274. 



A distinct species, coming amongst African species nearest to Vigna 

 Burchellii Harv. 



2. V. andongensis Baker in Oliv. Fl. Trop. Afr. ii. p. 197. 

 Pungo Andongo. — On the grassy slopes of Serra de Pedras de 



Guinga ; (in leaf January ;) in leaf and fl. March 1857. No. 2268. 



3. V. radieans Welw. ex Baker, I.e., p. 198. 



Htjilla. — Rootstock perennial, fusiform ; stems whip-like, several, 

 prostrate, rooting at the nodes ; leaflets obtuse, apiculate ; calyx-teeth 

 elongated, very narrow, rufous-feathery ; corolla deep-violet. Remark- 

 ably social, resembling clover in European meadows ; in dampish 

 pastures, near Humpata ; fl. and young fr. April 1860 ; at an elevation 

 of 4000 to 4500 ft. No. 2254. 



4. V. reticulata Hook. f. in Hook. Niger Fl. p. 310 (1849); 

 Baker, I.e., p. 198. 



