Bahr El Ghazal Prov. (Niamniam-land: Nabambisso River). 253 =Mallotus oppositifolius= _Muell. Arg._ Diœcious shrub, 6-12 ft. high. Leaves opp., ovate-acuminate or acute, cordate or obtuse and 3-nerved at base, 6-7 in. long, somewhat sinuate- dentate, rusty-stellate on nerves and glandular beneath. Racemes axillary, rachis rusty-pubescent. Male 4-5 in. long; fl. glomerate; calyx 4 (-5) valved; sta. numerous, free, purple. Fem. in fl. 2½-3 in. long; sep. 4-5; ovary 3-celled, globose; stigmas plumose. Caps. 3-coccous, ¼-⅓ in. wide. Bahr El Ghazal Prov. (Niamniam-land: Nabambisso River, Dar Fertit: Biri River near Deim Zubeir, Bongo-land: Baiko); Belgian Congo (Niamniam- land: Diagbe River). 254 =Macaranga Schweinfurthii= _Pax._ Armed diœcious shrub to lofty tree; spines on stem and branches. Leaves alt., ovate, shallow lobed, irregularly toothed, 6-18 in. long; base narrowly deep-cordate and with a pair of glands at junction with petiole; pet. 8-16 in. long; stip. ovate, 1¼ in. long. Male fl. in lateral panicles, fascicled in axils of fallen leaves; sta. 2-5. Fem. fl. in short lateral racemes; ovary glabrous, 2-3 celled; stigmas spreading; caps. 2-coccous; cocci ½ in. across. Belgian Congo (Niamniam-land: Yuru & Diagbe Rivers). 255 =Ricinus communis= _Linn._ =var. genuina= _Mull. Arg._ HURUA or KHIRUWI—Arab; BULLAS—Hadendowa; BOMBŌR (Dilling) & PWA (Kadugli)—Nuba; HOLLOLA or SHUNSHUMUT—Hameg; FAP—Nuer; BUNGA—Zande. The Castor-Oil Plant. Tall herb or shrub, with deeply 7 or more lobed palmate leaves. Fl. in large pyramidal panicles, males below, fem. above. Caps. prickly; seeds mottled. Semi-wild on river banks; Khartoum Prov.; Blue Nile Prov.; White Nile Prov.; Kordofan Prov.; Bahr El Jebel. The seeds yield the Castor-Oil of commerce. The leaves, pounded into a paste, are applied externally for headaches. =var. africana= _Muell. Arg._ Fruit with only few prickles. Khartoum Prov.; Kordofan Prov. (J. Kōn). 256 =Dalechampia scandens= _Linn._ =var. cordofana= _Muell. Arg._ DEMCHIRAI (Meshra El Zeraf) & ABULISEIG (N. Kordn.)—Arab; GADIANG (or AGADIANG) (Meshra El Zeraf)—Dinka. Slender, monœcious climber; stem pubescent; leaves deeply 3-5 partite; lobes rather wide-oblong, acute or obtuse; base cordate, 5-7 nerved; length 2-5 in. Fl. in dense, long peduncled axillary heads, subtended by a pair of yellowish, ½-¾ in. long and broad bracts. Kassala Prov. (Goz Regeb); Khartoum Prov. (J. Malakhit); White Nile Prov. (J. Arashkol); Kordofan Prov. (Obeid to Melbes); Upper White Nile Prov.; Mongalla Prov. (Bor, Dinka-land). It is used for scorpion stings. 257 =Tragia cannabina= _Linn. f._ DEMCHIRAI (Meshra El Zeraf)—Arab; MADIAB-DIAB (Meshra El Zeraf)—Dinka.