118. Disc of the male flowers slightly lobed. Styles undivided. Flowers monoecious, large. Stipules large.--Species 1. German East Africa. =Zimmermannia= Pax Disc of the male flowers deeply lobed or divided. Styles two-cleft. Flowers usually dioecious. 119 119. Anthers opening outwards. Disc of the female flowers lobed. Seeds grooved on the ventral face; testa thick; embryo curved.--Species 8. Tropical and South Africa. Some yield timber. (Under _Securinega_ Juss.) =Flueggea= Willd. Anthers opening inwards or laterally. Disc of the female flowers undivided. Seeds not grooved; testa thin; embryo straight.--Species 6. Some of them yield timber. =Securinega= Juss. 120. Disc present. 121 Disc absent. Shrubs or trees. 124 121. Disc of the male flowers consisting of 5-6 scales adnate below to the sepals which consequently appear much thickened. Stamens 3. Filaments very short, united. Anthers opening outwards. Style-branches 2-cleft. Flowers monoecious. Herbs or undershrubs.--Species 1. Madagascar and neighbouring islands. =Agyneia= Vent. Disc of the male flowers not adnate to the sepals; hence sepals not much thickened. 122 122. Stamens 2-10. Styles usually two-cleft.--Species 80. Tropical and South Africa; one species naturalized in Egypt. Some of them serve as garden-or hedge-plants or yield timber, tanning and dyeing materials, edible fruits, and medicaments. (Including _Cicca_ L. and _Pleiostemon_ Sond.) (Plate 80.) =Phyllanthus= L. Stamens 12-18. Disc many-lobed or many-parted. Styles 3. Shrubs or trees. 123 123. Flowers monoecious. Sepals 5. Disc lobed. Styles entire or notched, flattened.--Species 1. Madagascar and Comoro Islands. =Humblotia= Baill. Flowers monoecious with 6 sepals, or dioecious with 5. Disc deeply divided. Styles two-cleft. Stipules gland-like.--Species 2. Equatorial West Africa. =Lingelsheimia= Pax 124. Flowers monoecious. Calyx 6-lobed. Stamens 3; filaments united; anthers opening outwards. Male flowers in glomerules.--Species 1. Naturalized in the Mascarene Islands. (_Melanthesopsis_ Muell. Arg.) =Breynia= Forst. Flowers dioecious. Calyx 5-parted. Stamens 5; filaments free; anthers opening inwards. Male flowers in umbels.--Species 1. Madagascar. =Leptonemea= Juss. FAMILY 123. CALLITRICHACEAE Herbs. Leaves opposite, simple, entire. Flowers solitary or in clusters in the leaf-axils, minute, without a perianth, but sometimes with two bracteoles, monoecious. Stamens 1. Anther 2-celled. Ovary 4-celled. Ovules solitary in each cell, pendulous, inverted, with a single coat and a ventral raphe. Styles 2, free, awl-shaped. Fruit separating into 4 drupe-like mericarps. Seeds albuminous; embryo axile. (Under _HALORRHAGIDACEAE_.) Genus 1, species 6. North and South Africa and high mountains of Central Africa; one species also naturalized in Madagascar and the Mascarene Islands. =Callitriche= L. ORDER SAPINDALES SUBORDER BUXINEAE FAMILY 124. BUXACEAE