Indigofera.) XLVII. § PAPILIONACEE (BAKER). 99 
Lower Guinea. Highlands of Pungo Andongo, Angola, Dr. Welwitsch ! 
Very near J. tinctoria, from which it differs principally in the pod. 
90. I. orthocarpa, Baker. A copiously branched shrub with 
Woody angular thinly silvery branches. Stipules small, setaceons. 
Petioles 4 in, long, tirm, erecto-patent. Leaves 2-3 in. long, leaflets 
4-6 pairs, obovate, 4-3 in. long, about half as broad, both sides per- 
manently thinly silvery, lateral ones opposite, short-stalked, turning 
blackish when dried. ‘Racemes sessile, 12—20-flowered, about an inch 
long when in flower, ultimately equalling the leaves. Pedicel equal- 
ling the silvery calyx, which is half a line deep, the teeth lanceolate, 
reaching halfway down. Corolla yellow, four times as long as the 
calyx. Pod deflexed, 1-1} in. long, } in. broad, straight, subterete, 
naked, 8—12-seeded.—J. Anil. var. orthocarpa, DC. Prod. ti. 225. 
North Central. Kouka, Z. Vogel! 
_Nile Land. Nubia, Kordofan, Sennaar, and banks of the Blue Nile at Khartoum 
Kotschy! 
Habit of Z. Anil, but the leaves fewer and more argenteous, and in the straight pod 
and number of seeds agreeing with J. tinctoria. 
ae tinctoria, Linn. ; DC. Prod. ii. 224. A copiously branched 
shrub 4-6 ft. high, the branches straight or flexuose, sulcate, thinly 
silky, Stipules small, setaceous. Petioles }—1 in. long, firm, erecto- 
patent. Leaves 2-8 in, long, with leaflets 4—6 pairs, oblong or ob- 
ovate, 3—} in. long, both sides subglaucous and thinly silvery, the 
lateral ‘ones opposite, short-stalked, turning slightly blackish when 
dried. Racemes axillary, lax, about 20-flowered, ultimately equalling 
or a little exceeding the leaves. Pedicel shorter than the silvery calyx, 
which is more than half a line deep, teeth lanceolate, reaching half- 
way down. Corolla more than two lines long, yellow or purplish. 
ods detlexed, 1-1} in. long, } in. thick, subterete, straight or nearly 
So, glabrous when mature, 8—12-seeded.— Wight. Te. ii. t. 315. Guill. 
et Perr, Fl. Seneg. i. 178. 7. indica, Lam. Eneycl. iii. 245, I. ornitho- 
podivides, Schum. et Thonn. Pl. Guin. 372. 
Universally cultivated. Wild in Senegambia, and perhaps elsewhere. 
ue: I, emarginella, Steud. in Schimp. Hb. Abyss. No. 730. A woody 
erect shrub 3-4 ft. high, with firm terete branches, only thinly pubes- 
Cent upwards, not at all silky or argenteous. Stipules linear-setaceous, 
etioles 4 in, long, erecto-patent. Leaves with usually 4 pairs ot 
elliptical or obovate leatlets, $—1 in. long, the apex rounded and dis- 
tinetly mucronate, the lateral ones contiguous, opposite, distinetly 
Stalked with minute setaceous stipelle, texture subcoriaceous, upper 
surface green, lower glaucous, both when mature glabrous. Flowers 
in dense nearly or quite sessile axillary conical racemes 12-18 lines 
long. Calyx } line deep, obliquely campanulate, thinly clothed of 
brownish pubescence, the teeth deltoid. Corolla } in, long, bright 
yellow when fresh, brown when dried, the oblong standard glabrous 
externally. Pods deflexed, linear, mucronate, $3 in, long, 1 line 
broad, nearly straight, terete, glabrous when mature, GS seeded. — 
H2 
