Erect, branching herb, 1-2 ft. high, stellately tomentose. Leaves ovate, crenate-serrate, sometimes lobed. Bracts of epicalyx shorter than calyx. Flowers small, yellow, in a dense terminal, leafy spike; stigmas capitate. Fung Prov. =M. tricuspidatum= _A. Gray._ Erect herb, 2-3 ft. high, with adpressed, simple hairs. Leaves long- stalked, ovate-lanceolate, toothed, hairy. Flowers yellow, subsessile in axillary and terminal clusters. Carpels 8-12, each 3-pointed. Fung Prov. 216 =Sida urens= _Linn._ Erect, hirsute perennial. Leaves cordate, ovate-serrate. Flowers usually in dense axillary clusters; epicalyx 0; carpels 5, awnless or with short beaks. White Nile Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Ghabat El Arab; Bongo-land: Gir). =S. humilis= _Cav._ Perennial; branches long, prostrate, rooting at the nodes. Flowers pale yellow, under ½ in. diameter. Leaves broad-ovate, cordate, variable in size. Ripe carpels 5, separating from the axis, pointed. Bahr El Ghazal Prov. (Jur-land: near Khor Mulmul). =S. spinosa= _Linn._ Annual or perennial, much branched, often with small, recurved prickles at the nodes below the petioles. Leaves oval to oblong, crenate-serrate. Flowers white, ½ in. in diameter. Ripe carpels 5, with 2 long, rough beaks. Nubia; Kassala Prov. (Gallabat); Between Khartoum & Berber; White Nile Prov. (J. Arashkol); Kordofan Prov.; Darfur Prov. (Kulme). The leaves are demulcent, the root is a tonic and is used in some cases of cattle disease. =S. cordifolia= _Linn._ Erect, much branched, semi-shrubby, with silky hair; leaves densely velvety, ovate, cordate; flowers yellow; ripe carpels 10, wrinkled, with 2 straight beaks. Nubia; Kordofan Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov. The root and seeds are used in native medicines. =S. rhombifolia= _Linn._ Shrubby; branches rough with stellate hair. Leaves rhomboid-lanceolate, dentate-serrate above, stellate hairy on under-surface. Flowers yellow; ripe carpels 9-10, beaked or not beaked. White Nile Prov.; Mongalla Prov.; Darfur Prov. (shady places). Roots used for rheumatism. Yields an excellent fibre. =S. grewioides= _Guill._ & _Perr._ Shrubby plant. Leaves oblong or roundish, cordate, crenate, downy on both surfaces. Flowers small, yellow, axillary, solitary or in pairs; carpels 7-8, indehiscent, beakless or beaked; beaks inflexed. Fung Prov.; White Nile Prov.; Kordofan Prov.; Upper White Nile Prov. (River Sobat); Bahr El Ghazal Prov. (Shambé); Mongalla Prov.; Darfur Prov. =S. Schweinfurthii= _E. G. Baker._ Leaves shortly petiolate, broadly ovate, coarsely and double serrate, cordate, about 4½ in. long and 3 in. broad, shortly stellate-pubescent on both surfaces. Flowers numerous in lax, very slender panicles; pedicels filiform. Bahr El Ghazal Prov. (Bongo-land: near Mongbo-longbo stream). 217 =Wissadula rostrata= _Planch._ Tall, shrubby plant. Leaves cordate. Flowers small, yellow, paniculate; carpels 5, beaked.