Fung Prov. (Singa & Fazoghli); Bahr El Ghazal Prov. (Dar Fertit). 468 =Mitragyne macrophylla= _Hiern._ Moderate-sized tree. Leaves elliptical, often broadly so. Flowering heads globose, cymosely arranged or umbellate. Fruit dicoccous; seeds winged both ends. Bahr El Ghazal Prov. (Niamniam-land & Jur-land). The wood is used for making canoes, furniture and for housebuilding on the West Coast. =M. africana= _Korth._ YO?—Arab; ANGOTO—Dinka; N’DUNGO—Golo; BIAMA—Jur; LAO—Nuer; KOFOKOFO—Zande? Moderate-sized to fairly large tree, growing not far from water. Leaves ovate-elliptical, more or less cordate. Flower-heads globose, solitary, 1 in. diam.; cor. white, turning yellow. Seeds 2-winged. Bahr El Ghazal Prov. (mouth of Bahr El Arab & Wau). Wood white, rather soft, density 0.560, used for carving and in cabinet work; known as African Lime. 469 =Hymenodictyon Kurria= _Hochst._ Shrub or small tree. Leaves obovate to oval, 3-8 in. long. opposite; interpet. stipules ovate-oblong, ½ in. long, deciduous. Inflorescence spicate, 7 in. long. Bracts opposite, elliptical, marcescent, ab. 2 in. long on 1 in. long stalks. Bahr El Ghazal Prov. (Niamniam-land: summit of Mt. Baginse). =H. scabrum= _Stapf._ A small scabrid shrub. Leaves obovate, 3 in. long, 1½ in. broad, scabrid on the nerves below. Flowers not seen. Fruits narrowly ellipsoid, ¾ in. long, prominently lenticellate. Bahr El Jebel (Bari & Madi). 470 =Crossopteryx Kotschyana= _Fenzl._ DARITAR—Dinka; M’BILI or TIRI—Golo; AKOS—Jur. Small tree. Leaves coriaceous, elliptical, 1-8 in. long; stip. deltoid, acuminate. Flowers cream-coloured or pink, fragrant, in dense corymbose panicles. Capsule 2-celled, globose, crustaceous, ab. ¼ in. diam.; seeds peltate. Kassala Prov. (Gallabat); Fung Prov. (Fazoghli); Bahr El Ghazal Prov. (Jur, Niamniam & Bongo lands); Uganda (Nile Prov.). 471 =Pentas carnea= _Benth._ Shrubby, 1-2 ft. high, harshly pallid-puberulous. Leaves ovate-oblong to lanceolate-oblong, 1-6 in. long; stip. multipartite, subulate. Cymes usually dense, 1-3 in. in diameter. Cor. purplish, hairy at throat. Capsule 2-celled, coriaceous, many seeded. Bahr El Jebel (Madi). =P. arvensis= _Hiern._ Rambling perennial, 2 ft. high. Leaves subsessile, elliptic-lanceolate. Cymes 1-3 in. across; cor. white with purple throat, which is hairy. Bahr El Ghazal Prov. (Mittu-land). =P. Schweinfurthii= _Scott Elliot._ Herb. Leaves ovate-elliptic, acute, 4½ in. long, 2 in. broad, with numerous densely pubescent lateral nerves. Flowers light mauve, in paniculate clusters. Mongalla Prov. (Yei River); Bahr El Ghazal Prov. (Niamniam-land). 472 =Otomeria madiensis= _Oliv._ Somewhat shrubby perennial, up to ab. 3 ft. high, hairy. Interpet. stipules sheathing, each with 3 subulate teeth. Leaves elliptical, hairy on veins, opposite. Spikes terminal, simple or branched, 1 ft. long; flowers 1 in. long, pink; cor. tube hairy. Capsule ¼ in. long.