White Nile & Bahr El Ghazal Provinces. =I. parvula= _Del._ Trailing herb; leaflets 3, small cuneate. Flowers in lax, subsessile clusters of 2-4. Pod linear, ½ in. long. Nubia; Mongalla Prov. (Mongalla). =I. costata= _Guill._ & _Perr._ Scabrous herb. Leaflets 13-15. Racemes slender, axillary, 2-3 in. long. Cor. pink. Pod linear, deflexed, 1 in. long. Darfur Prov. =I. oxalidea= _Welw._ Small herb. Leaflets 3-5, the lateral ones alternate. Racemes lax, of 6-20 purplish flowers. Pod deflexed, linear, under ½ in. long; style persistent. Fung Prov. (Harun forest); Mongalla Prov. (Mongalla). =I. endecaphylla= _Jacq._ Bushy herb, 1-3 ft. high. Leaflets 7-9, oblong. Racemes dense, 1-4 in. long. Cor. purple. Pod linear, deflexed, ¾ in. long. Nubia; Kassala Prov. (Gallabat); Fung Prov. (Jongol’s Post); Mongalla Prov. (Mongalla). =I. orthocarpa= _Baker._ Branched undershrub; pods cylindrical, straight, deflexed. Leaflets 9-13, obovate. Racemes sessile, 10-20 flowered; cor. yellow. Nubia (from Berber southwards); Khartoum Prov.; Blue Nile Prov.; White Nile Prov. (Jebelein); Kordofan Prov. =I. suffruticosa= _Mill._ Undershrub. Leaflets about 10, oblong or obovate. Pods much curved, ⅔ in. long. Blue Nile Prov. (J. Moya). =I. tritoides= _Baker._ Prostrate herb. Leaflets 3, obovate, very acute, up to 1 in. long, densely appressed-pilose. Racemes elongated, lax-flowered. Pods nearly straight, 1¾ in. long, shortly pubescent. Nubia (Suakin to Berber). =I. near Bainesii= _Baker._ Erect undershrub; pods recurved, nearly ½ in. long. Leaves simple, narrowly obovate, ⅓ in. long, closely appressed hairy. Red Sea Prov. (Port Sudan & Dongonab). 301 =Helminthocarpum abyssinicum= _A. Rich._ Wiry, silky herb, 1 ft. high. Leaflets 7. Flowers 4-6 together in short- stalked axillary heads. Cor. yellow and red, twice the length of calyx. Pods small, spirally twisted, of 1 spiral only or less. Darfur Prov. (J. Marra, 7,000 ft.). 302 =Biserula Pelecinus= _L._ Slender herb. Leaves pinnate. Leaflets about 12 pairs, obovate, widely emarginate, ⅙ in. long, pilose. Flowers in axillary racemes, few. Fruits flat, 1 in. long, with broad dentate wings. Darfur Prov. (J. Kurku: Darfur Plain, 3,600 ft.). 303 =Tephrosia humilis= _Guill._ & _Perr._ Herb, under 1 ft. high. Leaflets 9-11, linear-oblong, silky beneath. Racemes leaf-opposed, of 6-12 pink flowers; anthers, in this genus, not apiculate. Pod downy, linear, upcurved, up to 2 in. long. Bahr El Ghazal Prov. (Jur Ghattas). =T. nana= _Kotschy._ Small herb; leaflets 9-11, linear-oblanceolate. Racemes leaf-opposed, of 6-12 purple flowers. Pod linear, falcate, silky. Upper White Nile Prov. (Meshra El Zeraf). =T. Vogelii= _Hook. f._ DAWA NA SAMAKI—Arab (Tuku-Tuku dialect). Shrub, 10 ft. high, with rusty-silky tomentum. Racemes terminal, of 20-30 flowers, 4-6 in. long. Cor. violet, rarely white, ab. 1 in. deep; style bearded. Pod 5 in. long, ½ in. broad, brown-velvety. Leaflets 17-25.