Branched shrub, with rigid spines 1½ in. long. Leaves simple and 3-fol. Flowers red, solitary from the spines. Pod ½ in. long, linear, mucronate, subtorulose. Red Sea Prov. (Erkowit to 22° N.L.); between Suakin and Berber (Wadi Arab). =I. sparsa= _Baker._ =var. bongensis= _Baker fil._ Herb 9 in. high. Leaflets 3-7. Flowers red, solitary or in pairs, axillary. Pod linear, glabrous. Bahr El Ghazal Prov. (Bongo-land: Gir). =I. suaveolens= _Jaub._ & _Spach._ Woody erect herb. Leaflets 3. Flowers solitary to 4 clustered laxly. Pod linear, subtetragonous, 1 in. long. Kordofan & Darfur Provinces; Bahr El Jebel (Madi); Fung Prov. (Jongol’s Post). =I. viscosa= _Lam._ Herb, 1-4 ft. high, branches clothed with glandular hairs; leaflets 7-13. Racemes axillary, 4-6 flowered. Cor. reddish. Pod linear, 1 in. long. Fung. Prov. (Saoleil); Kordofan Prov. (Abu Gerad). =I. pilosa= _Vahl._ Small herb, densely silky. Leaflets 3. Flowers solitary to 4 together, axillary, pink. Pod linear, black when ripe. Nuba Mts. Prov. (Um Durein); Mongalla Prov. (Gondokoro). =I. dendroides= _Jacq._ Erect herb, 1-2 ft. high. Leaflets 21-31. Racemes lax, 8-12 flowered; cor. pink. Pod narrow-linear, 1½ in. long. Bahr El Ghazal Prov. (Bongo-land: Addai). =I. parviflora= _Heyne._ Herb, 1-2 ft. high. Leaflets 5-7. Fl. lilac, in short axillary racemes. Pod linear, deflexed, silvery when young. Nubia; Kordofan Prov. (Abu Gerad); Upper White Nile Prov. (Meshra El Zeraf); Mongalla Prov. =I. stenophylla= _Guill._ & _Perr._ Tall herb. Leaflets 7-13 short pet.; flowers purple or pink in lax axillary racemes. Pod linear-mucronate, up to 2 in. long. Kassala Prov. (Gallabat); White Nile Prov.; Nuba Mts. Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov. =I. Welwitschii= _Baker._ Branched annual, 1 ft. high. Leaflets 3. Racemes of 4-9 bright red flowers. Pod linear, upcurved. Bahr El Ghazal (Bongo-land: Addai & Gir). =I. pseudo-subulata= _Baker fil._ Herb, 2-3 ft. high. Leaves pinnately trifoliolate; leaflets oblong or narrowly obovate. Racemes many-coloured; peduncle whitish hairy. Pod straight, recurved at the apex, hairy. Bahr El Ghazal Prov. (Bongo-land: Sabbi & Niamniam-land: by the Nabambisso River). =I. subulata= _Vahl._ Annual or biennial, 2-3 ft. high. Leaflets 5. Racemes lax, axillary, of ab. 20 flowers; cor. lilac. Pods narrow-linear, deflexed, 1-2 in. long. Red Sea Prov. (21° N.L.). =I. hirsuta= _Linn._ Villous herb, 2-3 ft. high, with spreading reddish hair. Leaves 5-7 fol. Racemes dense, 2-5 in. long; cor. scarlet; pods deflexed, hairy, linear ¾ in. long. Blue Nile Prov. (J. Moya); White Nile Prov.; Upper White Nile Prov. (Opposite Tonga); Nuba Mts. Prov. (Um Durein); Mongalla Prov. (Kagulu, Yei River District); Bahr El Ghazal Prov. (Niamniam-land). =I. paucifolia= _Del._ DAHASSIR—Arab; LO (Kenissa)—Dinka.