0 XLVII. § PAPILIONACEE (BAKER). [ Indigofera. 
Upper Guinea. Guinea proper, Vogel! Barter! Senegambia, Heudelot! 
A plant of Peninsular India and Ceylon, The African plant has larger, more pubes- 
cent and more elliptical leaves than the Indian one, and more conspicuous stipules. 
2. I. linifolia, Retz.; DC. Prod. ii. 222. Annual, 6-9 in. high, 
copiously and diffusely branched, branches terete, erecto-patent, slender, 
clothed with silvery-silky pubescence. Stipules minute, setaceous. 
Leaves sessile, simple, linear, 14-2 in. long, }—$ line broad, narrewed 
gradually to both ends, acute, both sides, especially the lower one, 
more or less densely clothed with silvery-silky pubescence. Flowers in 
copious close sessile axillary racemes 1—} in. long of 6—12 each. Calyx 
campanulate, silvery, a line deep, the teeth linear, reaching three- 
quarters of the way down, the two lowest much the longest. Corolla 
reddish, three times as long as the calyx, the standard a line broad. 
Pod round with an apiculus, a line thick, like the rest of the plant sil- 
very-white, never more than 1-seeded.—Spheridiophorum linifolium,Desv« 
Journ. Bot. v. iii. 125, tab. 6. S. abyssiniewm, Jaub. et Spach. Ill. t. 494. 
Wile Land. Nubia, Schweinfurth! Abyssinia, Schimper ! 
The western limit of the species, which is spread through Tropical Asia as far east 
as North Australia. 
3. I. terminalis, Baker. Main stem woody, with dark shining 
purplish-brown bark, the branches copious slender erecto-patent and 
again branched, the ultimate branchlets slender, terete, downy, not at 
all silvery. Stipules linear-setaceous. Petiole }—} in. long, spreading, 
pilose like the branchlets. Leaflets. 3-5, obovate-oblong, } in. long, 
1-1} lines broad, apex rounded and mucronate, the lateral ones opposite 
on short stalks, texture firm, both surfaces with a few adpressed strong 
hairs. Flowers in moderately dense oblong terminal heads, which are 
1-1} in. long. Bracts linear, equalling the flowers. Calyx } in. deep, 
not at all silvery, cut down nearly to the base, the teeth linear, }—i 
line broad, distinctly ciliated. Corolla equalling the calyx. Pod ovoid, 
mucronate, 4 in. long, thinly silky, single-seeded. 
Upper Guinea. Senegambia, Heudelot! 
4, I. congesta, Welw. mss. An undershrub with an erect almost 
woody stem sometimes 4 ft. high, with copious erecto-patent firm 
terete finely downy branches. Stipules firm, rigid, linear. Petioles 
spreading, {~-% in. long. Leaflets 5-7, oblong or slightly obovate, 
4-3 in. long, apex rounded and mucronate, the lateral ones distant, 
opposite, nearly sessile, both sides, especially the under one, grey-greeD, 
and finely downy. Flowers in dense rounded axillary clusters © 
12-20, aggregated towards the end of the branches with the leaves 
diminished to trifoliolate bracts. Pedicels equalling the calyx, which 1s 
4 in. deep, the teeth linear-setaceous, subequal, reaching down nearly 
to the base. Corolla scarlet, equalling the calyx. Pod oblong, sub- 
terete, not exceeding the calyx, thinly silky, single-seeded. 
Upper Guinea. Niger country, Onitcha, Barter 1791! 
Lower Guinea. Pungo Andongo, Angola, Dr. Welwitsch! 
Resembles J. pulchra in general habit, but the leaves and clusters considerably larget: 
