Monœcious undershrub or woody herb; branches somewhat grooved and hirsute. Leaves ovate, caudate, 5-nerved at base, coarsely serrate, sparingly pilose on nerves, 2-4½ in. long; pet. ½-2½ in. long; stip. subulate. Male infl. axillary, solitary, slender, 1½-2 in. long. Fem. infl. terminal, solitary, 2-3½ in. long; bracts ovate-rhomboid, acuminate, ¼ in. long, 1-flowered, toothed. Ovary 3-lobed, pilose above; styles 3, laciniate. Kassala Prov. (Gallabat: Gindua River); Bahr El Ghazal Prov. (Niamniam- land: Kulenjo). =A. villicaulis= _Hochst._ Monœcious herb from a woody root stock; stems angular hirsute. Leaves linear-lanceolate to ovate, hirsute, acuminate, cordate and 5-7 nerved at base, crenate-serrate, 1½-4½ in. long; pet. ½-2½ in. long, hirsute, often with 2 glands at apex. Male infl. axillary, solitary, peduncled, 1½-2½ in. long. Fem. spikes 1-3 together at end of each shoot; bracts small, toothed, pubescent; sep. coriaceous ovate, pilose on back. Ovary densely pilose; styles 3, laciniate, ab. ⅓ in. long. Kassala Prov. (Gallabat: on the banks of the Gendua River); Darfur Prov. (Kulme 3,600 ft.); Upper White Nile Prov.; Bahr El Ghazal Prov. (Jur Ghattas). =A. fruticosa= _Forsk._ RIKTUDA—Rashida; MŪT—Hadendowa. Shrub. Leaves alt., ovate, shortly acuminate, usually abruptly cuneate, also 3-5 nerved at the base, crenate to serrate, up to 4 in. long and bearing golden-coloured glands on lower surface. Infl. axillary, up to ½ in. long, consisting of 2-3 unilateral dentate bracts each containing a solitary fem. fl. and of a very short terminal male spike; ovary with golden glands; styles 3, much branched. Red Sea Prov. (Karora); Bahr El Jebel. The leaves are used in India as a stomachic in dyspepsia and in cholera. =A. brachystachya= _Hornem._ Slender monœcious annual, 6-12 in. high. Leaves ovate, shortly acuminate, cordate or rounded and 5-7 nerved at base, serrate, ½-1½ in. long; pet. ½-1¾. long. Infl. bisexual, short, axillary, solitary or geminate, of 6-9 fem. fl. below, and male fl. in short, dense terminal cluster; axis pubescent. Fem. bracts tripartite; sep. 3; ovary bristly; styles slender, laciniate. Fung Prov. (Jongol’s Post). =A. psilostachya= _Hochst._ Herb or undershrub; stems hirsute when young. Leaves ovate or rhomboid, acutely caudate, rounded or cordate and 5-7 nerved at base, 2-3½ in. long, serrate, bristly on both surfaces. Infl. bisexual, axillary, solitary, 1-3 in. long, of 3-4 fem. fl. near the base, otherwise male. Fem. bracts 5-lobed; sep. 3, ovate; ovary hirsute; styles 3, ¼ in. long, laciniate. Bahr El Ghazal Prov. (Bongo-land). =A. hochstetteriana= _Muell. Arg._