78 xlvii. § papilionace^e (baker). [Itidigofera. 



mucronate, |-| in. long, \ in. thick, straight, nearly terete, densely 

 coated with strong stalked brownish-black glands, 5- or 6-seeded. 

 Nile Land. Abyssinia, Dr. Both! 



28. I. trichopoda, Lepr. in Guill. et Perr. Fl. Seneg. 177 t. 47. 

 Stem herbaceous or slightly shrubby, 1-3 ft. high, erect, copiously 

 branched, the branches slender, terete, finely downy. Stipules minute, 

 linear. Petioles J-f in. long, erecto-patent. Leaflets 7-9, obovate, 

 J-f in. long by about half as broad, the apex rounded and mucronate, 

 the lateral ones opposite and short- stalked, both sides thinly silky. 

 Flowers solitary, axillary, on slender rigid, erecto-patent pedicels 1-1J 

 or 2 in. long. Calyx silky, a line deep, cut down nearly to the base, 

 the teeth linear-lanceolate. Corolla purplish, scarcely exceeding the 

 calyx. Pod sessile, oblong, mucronate, \ in. long, 1 line broad, thinly 

 silky, 2- or 3-seeded. 



Upper Guinea. Senegambia, Perrottet ! Heudelot I Bidjem I 



29. I. nigricans, Vahl; DC. Prod. ii. 23? Stem suflruticose, a 

 foot or more high, firm, erect, the branches spreading or erecto-patent, 

 densely clothed with erecto-patent silvery pubescence with a tinge 

 of brown. Stipules linear, spreading. Leaves of the main stem 

 with 2-3 pairs of leaflets and a terminal one, of the branchlets 3-folio- 

 late or simple, all obovate-oblong, \ in. long, the apex rounded and 

 conspicuously mucronate, lateral ones opposite, short-stalked, texture 

 firm, both sides grey-green, densely and permanently coated with 

 adpressed silvery pubescence. Flowers solitary from the axils of the 

 simple or the lower ones of the trifoliolate leaves, on slender spreading 

 rigid bright-coloured pedicels half an inch long. Calyx \ in. deep, 

 densely silky, the teeth reaching down nearly to the base, lanceolate 

 acuminate or cuspidate, half a line broad. Corolla reddish, equalling 

 the calyx. Ovary linear-oblong, densely silky. Pod unknown. 



Upper Guinea. Banks of the Niger, Dr. Baikie! 

 A very distinct and well-marked plant. 



30. I. nigritana, Hook.f. Fl. Nigr. 294. Stem 2-3 ft. high, her- 

 baceous, erect, paniculately branched, the branches slender, glabrous, 

 erecto-patent. Stipules minute, linear, deciduous. Leaflets 5-7, 

 oblanceolate, the terminal one f-J in. long by 2 lines broad, the apex 

 rounded and mucronate, the lateral ones smaller, distant, opposite, 

 the upper side subglabrous, the lower thinly silky. Flowers solitary, 

 on filiform pedicels J-f in. long from the axils of the simple leaves of 

 the branches. Calyx 1 line deep, clothed with bright brown silky 

 pubescence, the teeth lanceolate acuminate, reaching three-quarters of 

 the way down. Corolla reddish, twice as long as the calyx, silky on 

 the outside. Pod 2 lines long, 1 line broad, oblong mucronate, thinly 

 silky, 2-seeded. 



Upper Guinea. Banks of the Quorra, Vogel! 



