280 =Entada Wahlbergii= _Harv._ Slender, unarmed climber. Leaves bipinnate; pinnæ 2-4-jugate; leaflets 4-18 pairs, linear-oblong up to 1 in. long. Spikes solitary or panicled; cor. reddish-brown. Pod flat, arcuate, the chord 4-6 in. long, with up to 13 articulate divisions, sutures thick, persistent after fall of the articles. Bahr El Ghazal Prov. (Jur-land). =E. sudanica= _Schwfth._ SESABAN (Fung), UMKASHO (Baggara) & LAYUK (Jongol’s Post)—Arab; DEZA—Hameg. Small tree with bipinnate leaves and large pods, the woody margins of which persist after the joints containing seeds have fallen out. Pinnæ 5-8-jugate; leaflets 14-20 pairs per pinna. Kassala Prov. (Gallabat); Fung Prov.; Nuba Mts. Prov.; Bahr El Ghazal Prov. (Bongo-land); Mongalla Prov. =E. abyssinica= _Steud._ Small tree. Differs from the above by the greater number (14-18 pairs) of pinnæ and also (25-50 pairs) of leaflets in the pinnæ. Pods hardly constricted, ab. 6-12 in. long. Mongalla Prov. (Yei River). 281 =Piptadenia africana= _Hook. f._ Tree. Leaves abruptly bipinnate; pinnæ 9-13 pair; leaflets 30-60 pair, small, linear; pod 9 in. long and ¾ in. broad, flat, linear; seed ¾ in. long and ¼ in. broad, narrow oval, furnished with a winged membrane nearly 3 in. long; flowers in cylindrical spikes. Bahr El Ghazal Prov. (Niamniam-land). =P. sp.= Mongalla Prov. (Yei River: Batuka). 282 =Prosopis oblonga= _Benth._ ABU SURUG—Arab; AIRI, GALL & GIER—Bongo; JIER (Bahr El Ghazal)—Dinka; IJI, INJI or JI—Golo; KADOL—Jur; DIGRA—Burun; ZANGARE & INGE—Zande. Moderate to fairly large tree, with rough bark; pinnæ 2-3-jugate, with a sessile gland between each pair; leaflets 5-11-jugate. Leaves abruptly bipinnate. Flowers in spikes, ab. 3 in. long, white. Pod smooth, oval in cross section. Seeds dark brown. Nuba Mts. Prov.; Bahr El Ghazal Prov.; Mongalla Prov. (Mongalla); Upper White Nile Prov. (Goz El Siada). Wood hard, very heavy, density 1.44, regular, strong, fine grained, takes good polish, dark reddish-brown in colour, is used by Bongos and Jurs for making charcoal for iron smelting. Good for carpentry, implements, boat building. Bark used for tanning, also as an antiseptic. Pods used for poisoning fish. 283 =Amblygonocarpus Schweinfurthii= _Harms._ BINDI & NGUASSA—Dinka; BINDI—Jur; M’BOSSO & BISHI—Golo; DURA—Krej; GIER—Bongo. Large tree, 1-3 ft. diam. Leaves bipinnate; leaflets broadly-elliptic, ¾ in. long, ½ in. broad, glabrous. Racemes 4 in. long. Flowers very numerous, dense, about ¼ in. long, anthers much curved. Fruits quadrangular. Bahr El Ghazal Prov. (Jur-land, Golo-land & Dar Fertit). Wood light, fine grained, easily working, useful for joinery. 284 =Dichrostachys nutans= _Benth._ KADADA—Arab; BARTO (J. Daier), KWĀR (Dilling) & KĒTIER (J. Eliri)—Nuba; RILEH—Bari; KĪR (White Nile), KI (Goz El Siada), KĪR & SHĪR (Mongalla)—Dinka; BAKANGO—Golo; ARBIT—Hameg; KIROH—Shilluk; TILLA or KITCHUN—Burun.