Unarmed green, early-leafless shrub, up to 6 ft. high; branches alternate, cylindrical; leaf-scars prominent. Leaves not seen. Umbels terminal of 5-7 simple rays, about ½ in. long; bracts early deciduous, oblong, acute, ½ in. long, whorled at base of umbel, and orbicular- obovate, ⅙ in. long, paired below the invols. Invol. ¼ in. diameter, shallowly cup-shaped; lobes scarcely toothed or ciliate, but sometimes bifid; glands 4, transversely elliptic or orbicular. Capsules ¼ in. diameter, much exserted. Red Sea Prov. (21° N. Lat.); Fung Prov. (Jongol’s Post); Nuba Mts. Prov. (J. Daier); Darfur Prov. (J. Marra: Duli Konga, 7,500 ft.). =E. consobrina= _N.E. Br._ Shrub of habit much as above. Leaves soon deciduous, sessile, linear- lanceolate, acute, ⅙-¼ in. long. Umbel of 3, or less, simple rays, up to ½ in. long, terminal, based by a whorl of leaves. Invol. solitary, about ⅙ in. diameter, shallowly cup-shaped, the 5 lobes subquadrate, subentire, slightly ciliate; glands as above. Capsules slightly exserted, curved to one side. Red Sea Prov. (Erkowit, Wadi Teeke, between Suakin and Berber). =E. scoparia= _N.E. Br._ KURKABAN & SHAGAR EL SIM (Baggara)?—Arab; IMGEIL (Dilling)?—Nuba. Unarmed tree, 15-25 ft. high; branchlets alternate, abundant, green, cylindrical, fleshy, ¼-½ in. thick, marked with leaf scars. Leaves caducous, alternate, scattered below, clustered at ends of branchlets, linear, sessile, about ½ in. long. Invols. in dense sessile clusters, about ⅙ in. in diameter at tips of branches, cup-shaped, minute; lobes 5, ovate subciliate; glands 5, minute, transversely elliptic, entire. Ovary erect on stout pedicel as long as invol. Blue Nile Prov.; Fung Prov. (Dakhila, south of Roseires); Nuba Mts. Prov. (Dilling)? =E. venenifica= _Trém._ SHAGAR EL SIM—Arab; RIS (Tagele)—Nuba; JIANGO—Zande. Bushy shrub, up to 7 or 8 ft. high, with fleshy, cylindrical branches armed with conical prickles. Leaves deciduous, 3-11 in. long, narrowly lanceolate to oblong-cuneate, tapering into the short petiole. Cymes solitary in axils of spine tubercles, ½-¾ in. long including the short peduncle, once or twice forked, the branches bearing 3 invols.; central invol. sessile, lateral short pedicellate, about 1/7 in. diameter, cup- shaped, lobes 5, broadly cuneate, fringed at top, rim-glands 1/12 in. diameter, transversely oblong. Capsules deeply 3-lobed, erect, about ⅓ in. diameter. Fung Prov. (Fazoghli); Kordofan Prov.; Bahr El Ghazal Prov. (Jur: Jur Ghattas & Abu Gurun’s Zariba, Mittu: Dukutu, Niamniam-land); Mongalla Prov. (Yei River). Used by natives for poisoning arrows. =E. Teke= _Schweinfth._