Tufted herb, up to 1 ft. high, pilose. Leaves lanc. to oblong- lanceolate, 1-3 in. long, crenate-serrate. Fl. usually opp., supra- axillary; calyx tubular, ½-⅔ in. long, campanulate in fruit, 10-ribbed, hispid; cor. white or pale yellow, tube 1¾ in. long, glandular, gibbous, limb 1¼ in. broad, spreading, 5-lobed. Caps. oblong ⅓ in. long. Bahr El Ghazal Prov. (Jur: by the Wau River & Jur Ghattas, Niamniam- land: Nabambisso River). =C. adonense= _E. Meyer._ Robust scabrid herb, up to 1 ft. high. Leaves oblong or oblong- lanceolate, 1-3 in. long, crenate to serrate. Fl. axillary; calyx tubular, 1¼ in. long, densely hairy, 10-12 ribbed; cor. white or lilac, tube 2-3 in. long, gibbous, glandular, limb 2-3 in. diam., spreading, 5-lobed. Caps. ovoid or elliptic, ½ in. long. Mongalla Prov. (Yei River). =C. brachycalyx= _Schweinf._ Shrubby herb, pubescent all over, 1 ft. high; stems angular. Leaves lanceolate, 2½ in. long, serrate dentate. Fl. solitary, opp., supra- axillary; calyx campanulate, 1 in. long, 3 lobes broader than others; cor. tube 1¼ in. long, limb ab. ½ in. diam., lobes 5, orbicular, spreading. Kassala Prov. (by Gendua River). 655 =Sopubia ramosa= _Hochst._ Scabrid undershr., 2-4 ft. high. Leaves in whorls of 3-4, linear or lin.-lanceolate, up to 1½ in. long. Fl. terminal racemose in whorls of 3-4; cor. coppery-purple or white with purple spot at base of each lobe, ab. ½ in. long, tube short, limb spreading, lobes 5, obovate; anthers 4, coherent in pairs. Caps. ovoid, ¼ in. long. Bahr El Ghazal Prov. (Niamniam-land: at Nganye & Bongo-land: at Sabbi); Darfur Prov. (Jebel Marra, 6,500-7,500 ft.). =S. simplex= _Hochst._ Pubescent herb, branching from base, 1-3 ft. high. Leaves alt. or ternate, ⅙-1 in. long, appressed, scabrid. Fl. alt. or whorled in terminal racemes, up to 1 ft. long; cor. pink, or reddish-brown, under ½ in. long, limb spreading, lobes 5, obovate. Caps. ovoid, ¼ in. long. Bahr El Ghazal Prov. (Niamniam-land: Sueh River, Mittu-land: near Kuffulu-Ku); Mongalla Prov. (Yei River). =S. parviflora= _Engl._ Annual, 1-2 ft. high; stem 4-angled. Leaves opp., filiform, ⅓-¾ in. long, revolute, scabrid. Fl. in terminal racemes; cor. pale-brown, purple at throat, ⅓ in. long, lobes 5, spreading, obovate. Caps. subglobose, minute. Bahr El Ghazal Prov. (Jur Ghattas). 656 =Micrargeria scopiformis= _Engl._ Rigid herb, 1-2½ ft. high, branching like a broom. Leaves opp., filiform, ¼-2 in. long, scabrid. Fl. in terminal racemes, 1-6 in. long; cor. pale purple, streaked dark purple at base of tube which is exserted and enlarged above, ab. ⅓ in. long, limb spreading, 5-lobed, lobes suborbicular ab. ⅙ in. wide. Bahr El Ghazal Prov. (Jur Ghattas, Bongo-land: Sabbi). =OROBANCHACEÆ.= 657 =Cistanche lutea= _Hoffmgg._ & _Link._ ERG EL TUNDUB (Khartoum), NAR EL FIL (Atbara), ERG EL MOYA, also ERG EL SHAGAT (Fung), HALUK, TURFAS & SIBB EL ARD—Arab.