The fruit is edible; the wood is light pink in colour, hard and durable. 373 =Mæsopsis sp.= Tree 20 ft.; branchlets lenticellate. Leaves obovate, obtusely acuminate, 4-4½ in. long, 2-2½ in. broad, glabrous. Young fruits globose, small, with the style persistent. Mongalla Prov. (Yei River). =AMPELIDACEÆ (or VITACEÆ).= 374 =Ampelocissus abyssinica= _Hochst._ Woody climber; leaves 3-lobed, glabrous, rotundate-cordate. Kassala Prov. (Gallabat: by the Gendua River). =A. cavicaulis= _Pl._ Leaves large, palmate to pedate-partite, 5 principal lobes reaching ⅔ or ¾ of the way down. Bahr El Ghazal Prov. (Bongo-land: Gir, & Niamniam-land: by the Nabambisso River). =A. pentaphylla= _Pl._ Semi-herbaceous climber. Leaves 3-5 partite, lobes linear, loosely serrate. Bahr El Ghazal Prov. (Jur-land); Bahr El Jebel (Mongalla Prov. & Madi). =A. Grantii= _Pl._ Climber; leaves almost rotundate, slightly or deeply 5-lobed. White Nile Prov.; Bahr El Ghazal Prov. (Jur-Ghattas). =A. Schimperiana= _Hochst._ Strong woody climber. Leaves large, slightly 5-lobed, rufous-villous when young. Fruit oblong, edible. Kassala Prov. (Gallabat). =A. cinnamochroa= _Pl._ Much like the preceding. Bahr El Ghazal Prov. (Jur-land). =A. bombycina= _Pl._ Leaves distinctly 3-5 lobed with rounded sinuses; young shoots densely silky-tomentose; stems herbaceous. Bahr El Ghazal Prov. (Niamniam-land: by the Nabambisso River). =A. sarcocephala= _Pl._ Leaves 5-partite; segments lanceolate. Bahr El Ghazal Prov. (Jur Ghattas). 375 =Cissus populnea= _Guill._ & _Perr._ Leaves almost rotundate, undivided, slightly mucronate. Kassala Prov. (Gallabat); Bahr El Ghazal Prov. (Jur-land & Dar Fertit). Large creeper used for jungle ropes. =C. bignonioides= _Schweinf._ Fairly large climber with corky stems; leaves ovate, cordate. Bahr El Ghazal Prov. (Niamniam-land: by the Boddo River). =C. rubiginosa= _Pl._ KISKI—Zande. Leaves almost pentagonal, denticulate; leaves and shoots with dense silky rusty tomentum. Bahr El Ghazal Prov. (Niamniam-land: by the Kishi River). =C. producta= _Afzel._ BULAKOLIN (Bahr El Ghazal)—Dinka; YIAD—Jur. Ascending undershrub or woody climber; leaves simple, lanceolate; joints thickened. Bahr El Ghazal Prov. The tubers, which are spindle-shaped, are used by Dinkas against tse-tse bites on animals, an emulsion of crushed tubers and water is rubbed over the animals’ bodies and a small quantity is also given to them to drink as a preventive. =C. cornifolia= _Baker._ Sub-erect undershrub, densely ferruginous when young. Leaves 3-nerved, palmate or ovate. Nuba Mts. Prov. (near J. Eliri); Bahr El Ghazal Prov.; Bahr El Jebel (Madi). Fruit edible. =C. quadrangularis= _Linn._ SALA’ALA’A or SALALA—Arab; METOWI—Rashida; KĀT-UT—Hadendowa; ATETE (J. Daier) & ULGYIN (Dilling)—Nuba; MOJUNGI—Bari; ARENG (L. Powendael), & ARNIK (Kenissa & Renk)—Dinka; MEREKOTI—Golo; MERISH—Hameg; MUNDA—Burun; DEUGANAI—Nuer.