Indigofera.] xlvii. § papilionace2e (baker). 89 



Lower Guinea. Common in Angola, Dr. Welwitsch! 



Mozamb. Distr. Mozambique, Dr. Peters! Zambesi land, Dr. Kirk! 



Reaches the Cape, Madagascar, and through Tropical Asia to North Australia, and 

 is introduced in Brazil. 



Var. (3. polystachya, Welw. mss. Leaves closer ; leaflets more numerous, lateral 5-6- 

 jugate ; racemes shorter, denser, a large number from the upper leaves overtopping the 

 stem. 



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



Var.-pumila, Welw. mss. Dwarf (foot high), perennial, suffruticose, copiously 

 branched; leaflets 7-9, rotundate-obovate, 3-4 lines long; racemes dense, at first 1, 

 finally 2 in. long : flowers smaller. 



Lower Guinea. Huilla, Benguela, 5000 feet, Dr. Welwitsch ! 



61. I. astragalina, DC. Prod. ii. 228. An erect, moderately branched 

 annual, 1-2 ft. high, with stems densely clothed with spreading whitish 

 hairs. Stipules setaceous, 3-4 lines. Leaves 1-3 in. long; leaflets 

 7-11, obovate, reaching 6-9 lines long, blunt, faintly mucronate, 

 both sides persistently clothed with spreading white soft hairs, the 

 end one distinctly stalked, the side ones opposite. Racemes dense, 

 1-2, finally 8-4 in. long on peduncles 1-3 in. long. Bracts seta- 

 ceous. Calyx | in. long, densely white-pubescent, the setaceous 

 teeth reaching down nearly to the base. Corolla bright yellow, half 

 as long again as the calyx. Pod 5-6 lines long, 1 line broad, per- 

 sistently grey-pubescent, 4-5-seeded. 



Upper Guinea. Senegambia, Heudelot! Perrottet! Niger country, Barter! 



Nile Land. Kordofan, Koischy! 



Lower Guinea. Benguela, Dr. Welwitsch! 



62. I. alternans, DC. Prod. ii. 229. A prostrate, more or less 

 argenteo-canescent herb, copiously branched at the crown of the root 

 and upwards with stems a foot or less long. Stipules linear, very 

 minute. Petioles 3-4 lines long. Leaves 9-12 lines long ; leaflets 

 7-9, obovate-oblong, 4-6 lines long, blunt, often emarginate, both 

 sides persistently argenteo-canescent, all distinctly stalked, the side 

 ones alternate. Mowers 12-20 in dense racemes about an inch long, 

 on peduncles which often exceed the leaves. Pedicels \ line long. 

 Calyx \ in. long, densely grey-hispid, the setaceous teeth reaching 

 down nearly to the base. Corolla bright violet, half as long again as 

 the calyx, the round standard 2 J lines broad, glabrous externally. Pods 

 deflexed, linear, 5-6 lines long, | in. thick, persistently canescent, 

 5-6-seeded. — Harv. Fl. Cap. ii. 199. I. hololeuca, Benth. ; Harv. Fl. 

 Cap. loc. cit. 



Lower Guinea. Mossamedes, Benguela, in sandy desert plains, Dr. Welwitsch! 



Var. j8. macra, Baker. Suberect, 1-2 ft. long, copiously branched, less arg'.mteous, 

 much more robust ; leaflets oblanceolate, 8-9 lines long, 2-4 lines broad ; lower racemes 

 reaching 6-9 lines long. 



Lower Guinea. Mossamedes, Benguela, in sands of the seashore, Dr. WeU 

 wit8ch ! 



63. I. maritima, Baker. A diffuse copiously branched prostrate 

 perennial herb, with very flexuose stems 1-2 feet long, densely clothed 



VOL. 11. D 



