Erect shrub with paripinnate leaves. Leaflets 20-50 pair. Racemes 6-12 flowered; corolla yellow, much spotted with purple. Pod 8-12 in. long. Nubia; Kassala Prov. (Gallabat); Kordofan Prov. Recommended for growing as a green manure. =S. ægyptiaca= _Pers._ SESABAN—Arab; KAILKAIL (Dilling) & KENTII (J. Eliri)—Nuba. Copiously branched shrub, 6-10 ft. high. Leaflets 10-20 pairs; pod pendulous, narrowly linear, usually somewhat twisted, 6-8 in. long. Racemes 6-12 flowered; cor. yellow. Found in most parts of the Sudan. In India the bark is made into ropes, and the wood into charcoal; the leaves furnish cattle fodder. It is very quick-growing and forms a good temporary shelter for slower-growing plants. =S. ægyptiaca= _Pers._ =var. bicolor= _Wight_ & _Arn._ SENA—Arab. Standard petal and tips of wing-petals suffused with purple. Kassala Prov. (Gallabat); Berber Prov. (Zeidab); Khartoum Prov.; Fung, White Nile & Kordofan Provinces. =S. aculeata= _Pers._ Erect herb, 2-4 ft. high; branches ascending, more or less prickly. Leaflets 20-50 pairs; pod 6-9 in. long, erect or spreading, not twisted. Cor. pale yellow. Kassala Prov. (Gallabat); White Nile Prov. Yields a fibre durable under water, and useful for ropes and fishing nets. Suitable for a green manure. =S. microphylla= _Harms._ Small herb; flowers yellow mottled with purple or black spots. Leaflets very small, about ⅙ in. long. Pod 4½ in. long, linear, moniliform. Bahr El Ghazal Prov. (Ghabat El Arab). =S. mossambicensis= _Klotzsch._ Small herb; corolla standard striate, not mottled. Leaflets as in preceding species. Pod 2½ in. long, moniliform. Bahr El Ghazal Prov. (Niamniam-land: by the Yubbo River). =S. pachycarpa= _DC._ Annual, 1-3 ft. high; corolla dotted; pod about 6 in. long, ¼ in. broad. Leaflets 15-20 pairs, linear-oblong, ½-¾ in. long. Kordofan Prov.; Mongalla Prov. (Bor). =S. arabica= _Hochst._ SURA & TAURI (Blue Nile)—Arab. Claws of corolla appendaged; standard conspicuously spotted. A tall herb. Leaflets up to 30 pairs, linear-oblong, ⅔ in long. Pods much constricted between the seeds. Fung Prov.; Upper White Nile Prov. (Meshra El Zeraf). =S. tetraptera= _Hochst._ SURIB (Fung), & ?KOL (White Nile)—Arab. Shrubby herb up to 3 or 4 ft. high. Pod 4-winged. Leaflets 15-20 pairs. Racemes 4-6 flowered; cor. yellow. Blue Nile Prov.; White Nile Prov. (J. Arashkol); Nuba Mts. Prov. The leaves are eaten as a pot-herb. 307 =Astragalus prolixus= _Sieb._ Prostrate herb, 1 ft. or more long, silky. Leaves imparipinnate; leaflets 11-13. Racemes 6-12 flowered. Pod oblong-turgid, partly divided inside by a longitudinal membrane, ¼ in. long. Kassala Prov. (Gallabat); Dongola Prov.; between Berber & Khartoum; Khartoum Prov. May be one of the several species which yield “Gum-Tragacanth.” =A. abyssinicus= _Steud._