Indigofera. | XLVII. § PAPILIONACEH (BAKER). 71 
5. I. macrocalyx, Guill. et Perr. Fl. Seneg. 175, t. 46. Stem 
herbaceous, 1-1} ft. long, decumbent or suberect, copiously branched 
from the base, the branches firm, slender, scarcely at all silvery. 
Stipules minute, setaceous, deciduous. Petiole 4 in. long. Leaves 
13-2 in. long, with 3-6 pairs of leaflets, which are oval-oblong, or 
slightly obovate, apex rounded and mucronate, the lateral ones on short 
stalks, both sides green and thinly coated with strong adpressed grey 
hairs. Flowers in dense oblong-conical terminal heads 1 in. or more 
long. Bracts linear, ciliated, } in. long. Calyx silvery, 2 lines deep, 
cut down nearly to the base, the teeth unequal, lanceolate or lanceo- 
late-oblong, 4—3 line broad. Corolla rose, silky on the outside, slightly 
shorter than the calyx. Pod roundish, pointed, } in. each way, slightly 
silky, 1-seeded. 
Upper Guinea. Guinea proper, Barter! Senegambia, Perrottet! Sierra Leone, 
Afzelius ! 
6. I. paniculata, Pers.; DC. Prod. ii. 222. Stem suffruticose, very 
much branched, the branches twiggy. Petioles shorter than the leaves, 
Which are simple, linear-oblong, subglabrous. Flowers in elongated 
terminal panicles. Pods terete, deflexed, glabrous, 4-seeded. 
Upper Guinea. Guinea, Vahl, in Herb. Jussieu. This I have not seen. 
?. I. procera, Schum. et Thonn. ; DC. Prod. ii.222. An undershrub 
4-6 ft. high, with copious slender firm twiggy striated branches, the 
young ones finely silky. Stipules small, setaceous. Leaves simple, 
linear-oblong, 1-14 in. long, } in. broad, the lower half narrowed 
gradually to avery short petiole, firm, both sides finely punctate, the 
under one grey-green and minutely downy with the midrib raised. 
Flowers in a ae very compound terminal panicle sometimes a foot 
long, with copious rigid erecto-patent branches, the bracts at the base 
of the lowest branches like leaves, and higher up growing smaller 
gradually, Flowers laxly racemose on the branchlets, the lower pedicels 
aline long. Calyx campanulate. slightly silky, 4 line deep, the teeth 
linear-setaceous, reaching down nearly to the base, the two lowest 
longer than the others. Corolla scarlet, three or four times as long as 
the calyx, the standard a line broad. Pod linear-oblong, 24-3 lines 
long, $ line thick, compressed, villose, 2-seeded. 
poner Guinea. Senegambia, Heudelot! Guinea proper, Thonning. Vogel! 
rter | 
Lower Guinea. Ambaca and Pungo Andongo, Angola, Dr. Welwitsch! 
8. I. Bainesii, Baker. Shrubby, copiously branched, branches 
Woody, the ultimate branchlets subtetragonous, thinly silvery. Leaves 
Sessile, simple, obovate, folded together, } in. long, half as broad, mu- 
Cronate, texture firm, both sides slightly silvery. Flowers solitary in 
the axils of the crowded deciduous leaves. Pedicels equalling the calyx, 
Which is campanulate, thinly-silvery, about a line long, the lower teeth 
subulate, reaching more than halfway down, upper ones much shorter. 
Corolla reddish, three times as long as the calyx. Pod linear, }~ in. 
