Woody climber. Leaves orbicular or reniform, more or less entire to deeply 5-lobed, with irregular, mucronate teeth. Flowers in densely compound lateral cymes. Mongalla Prov. =C. gracilis= _Guill._ & _Perr._ Slender climber. Leaves pedate; leaflets 5, the shorter forked, all thin of texture. Kassala Prov. (Gallabat). =C. intricata= _Baker._ LIF or LUFA—Arab. Slender woody climber; leaflets 3-5, pedate, firmly membranous. Flowers in 4-6 in. broad cymes. White Nile Prov. =C. Thonningii= _Baker._ Leaves 3-5 fol., serrate; leaflets distinctly stalked, edges loosely crenate. Flowers in lax, branched cymes. 4-6 in. broad. Nuba Mts. Prov. (Dilling). =C. Figariana= _Webb._ Erect, hairy undershrub. Leaves 5-7 fol. Nubia. =C. cyphopetala= _Pres._ Climber with puberulous stems and softly tomentose serrate leaflets and broad open cymes of small flowers. Red Sea Prov. (Has Has). =RUTACEÆ.= 376 =Ruta tuberculata= _Forsk._ Herb with tubercled glands; leaves linear, with pellucid glands. Flowers usually 5-merous; petals entire. Nubia; Berber Prov. (Berber Desert); Khartoum Prov. (Halfaya); White Nile Prov.; Red Sea Prov. (Khors, Karora-hills). Yields a volatile oil, which may act as an irritant when the plant is handled. 377 =Teclea nobilis= _Hook. f._ FURFURRUK (J. Daier)—Nuba; FIK—Bari; SEKIA—Golo. Unarmed large shrub or small tree; leaves 3-fol., large. Flowers unisexual. Male flowers 4-merous, sessile in branching panicles shorter than leaves. Female flowers in short axillary spikes. Nuba Mts. Prov.; Bahr El Ghazal Prov. (Jur-land: Wau, Bongo-land: Dukuttu & Mittu-land: by the Rohl River); Mongalla Prov. (Sh. Tombé). The wood is used for spear shafts in Bahr El Ghazal and for bark mallets in Uganda. 377a =Toddalia aculeata= _Pers._ Erect or scrambling shrub, armed with recurved prickles. Leaves 3-fol., alternate, with pellucid glands; petioles often with prickles beneath. Flowers unisexual, cream coloured, panicled. Mongalla Prov. (Yei River). 378 =Clausena anisata= _Oliv._ Shrub with pinnate leaves, which are 6-12 in. long; leaflets 10-20, ovate or ovate-oblong. Flowers white, numerous on axillary, paniculate cymes; stamens 8-10. Berry 1-seeded. Bahr El Ghazal Prov. (between Wau & Deim Zubeir). 379 =Citrus Aurantium= _Linn._ =var. amara= L. NARING—Arab. The Bitter Orange. Grown throughout the country in gardens; frequently used as a stock for the sweet orange, mandarin and sweet lemon. =var. sinensis= _Gall. Citr._ BORTUGAN—Arab. The Sweet Orange. Grown throughout the country in gardens. =C. decumana= _Linn._ LIMUN HINDI—Arab. The Grape Fruit or Shaddock. Occasionally found in gardens. =C. medica= _Linn._ =var. Limon= _Gall. Citr._ =subvar. acris.= LIMUN BALADI—Arab. The Lime. Grown everywhere in gardens and frequently on Sagias. =subvar. Limetta= _Risso._ LIMUN HELLU—Arab. The Lemon. Cultivated in gardens. =C. nobilis= _Lour._ YUSEF EFFENDI—Arab. The Mandarin.