Indigofera. | XLVII. § PAPILIONACEE (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. 8. 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. Hauilla, 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 3-4°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, Kotschy! 
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 rir ooneat stalked, the side 
Ones alternate. Flowers 12-20 in dense racemes about an inch long, 
on peduncles which often exceed the leaves. Pedicels 4 line long. 
alyx 1 in. long, densely grey-hispid, the setaceous teeth reaching 
own nearly to the base. Corolla bright violet, half as long again as 
the calyx, the round standard 24 lines broad, elabrous externally. Pods 
deflexed, linear, 5-6 lines long, } in. thick, persistently canescent, 
5—6-seeded.—Harv. FI. Cap. ii. 199. TL. hololeuca, Benth.; Harv. Fl. 
Cap. loc. cit, 
Lower Guinea. Mossamedes, Benguela, in sandy desert plains, Dr. Welwitsch! 
Var. 8. macra, Baker. Suberect, 1-2 ft. long, copiously branched, less argenteous, 
much more robust; leaflets oblanceolate, 8-9 lines long, 2-4 lines broad; lower racemes 
reaching 6~9 lines long. 
Jsower Guinea, Mossamedes, Benguela, in sands of the seashore, Dr. Wel- 
woitsch | 
63. I. maritima, Baker. A diffuse copiously branched prostrate 
Perennial herb, with very flexuose stems 1-2 feet long, densely clothed 
