72 XLVII. § PAPILIONACEE (BAKER). [ Indigofera. 
long, 1 line thick, mucronate, subterete, thinly clothed with adpressed 
silky hairs, many-seeded. 
South Central. In the interior, near the Tropic of Capricorn, Baines / 
9. I. tetrasperma, Schum. et Thonn. Pl. Guin. 365, A  suberect 
much branched undershrub 1-2 ft. high, with long firm slender 
woody branches, the upper part striated and thinly silky. Stipules 
minute, subulate, deciduous. Leaves nearly sessile, simple, linear, 
1-1} in. long, } in. broad, apex rounded and mucronate, the texture 
firm, both sides scabrous, with copious strong adpressed hairs. 
Flowers in the axils of the leaves on suberect firm pedicels } in. long, 
solitary, or if in pairs only one producing seed. Calyx campanulate, 
minute, teeth acute. Corolla scarlet. Pod linear with a mucro, § In. 
long’, 1 line thick, subtetragonous, with a few short adpressed hairs, 4- 
seeded. 
Upper Guinea. Guinea proper, Thonning. Senegambia, Heudelot! 
‘This was named under the impression that it was a plant briefly described under - 
the name of te/rasperma by Persoon (Ench. Bot. ii. 325; DC. Prodr. ii. 222); but 
according to Webb, who examined an’ authenticated specimen in the herbariam of 
Desfontaines, this latter is I. senegalensis. 
10. I. cordifolia, Roth ; DC. Prod. ii. 222. Stems herbaceous, 6-9 
in. long, copiously and diffusely branched, the branches slender, terete, 
clothed with spreading cottony pubescence. Leaves subsessile, simple, 
cordate-ovate, 4-3 in. long, 1-2 in. broad, pointed, the upper surface 
grey subglabrous, the lower clothed more or less densely with cottony 
pubescence like that of the stem. Flowers in dense sessile clusters of 
3—6 each in the axils of most of the leaves. Calyx cottony, tubular, 
about 2 lines long, the teeth linear-setaceous, plumose, reaching three- 
quarters of the way down. Corolla red, equalling the calyx. P od 
oblong cuspidate, 2 lines long, under 1 line thick, cottony, 2- or some- 
times only 1-seeded, slightly exceeding the calyx. 
_ Wile Land. Nubia, Kordofan and Sennaar, Kotschy! Schweinfurth! Abys 
sinia, Schimper! 
This also is Kast Indian, Malayan, and N. Australian. 
11. I. simplicifolia, Lam. ; DC. Prod. ii. 222. Stem rigidly erect, 
3—4 ft. high, suttruticose, the branches firm, slender, slightly adpressed 
grey-silky. Stipules minute, setaceous. Leaves simple linear sub- 
sessile, 1-1} in. long, 1-1} lines broad, texture firm, both sides slightly 
yrey-hispid, Flowers in short subsessile 3-4-flowered racemes in the 
axils of the leaves. Bracts linear, pedicels short, calyx about a line 
deep, thinly silky, the teeth linear, reaching down nearly to the base. 
Corolla whitish, 4-5 times the calyx, the standard silky on the back. 
Pod not more than an inch long, a line thick, bluntly tetragonous, 
vlabrous when mature, 5—6-seeded. 
Upper Guinea. Sierra Leone, Smeathmann! Afzelius! 
Lower Guinea. Golungo Alto, Angola, Dr. Welwitsch ! 
12. I. macrocarpa, Leprieur, mss. Stem erect, suffruticose, 2-4 ft. 
high, with copious firm erecto-patent slender striated finely silky 
en 
pnenemmcRy Te 
