6. Style shortly 3-cleft. Ovary 3-celled with 2 ovules in each cell. Stamens 10. Anthers ovoid or globose. Petals short. Inflorescence racemose, cone-shaped when young, with roundish vaulted bracts.--Species 1. West Africa (Cameroons). =Lepidobotrys= Engl. Style undivided. Stamens usually 5. Corolla persistent. Fruit capsular. Inflorescence racemose with small bracts, or paniculate.--Species 5. Central Africa. (Under _Ochthocosmus_ Benth.) =Phyllocosmus= Klotzsch FAMILY 111. HUMIRIACEAE Trees. Leaves alternate, undivided. Flowers in cymes or panicles, regular, hermaphrodite. Sepals 5, imbricate in bud. Petals 5, yellow or greenish, imbricate in bud, deciduous. Stamens 10, at first united below, with a prolonged connective and 1-celled anther-halves. Ovary surrounded by a cupular disc, superior, 5-celled. Ovules solitary in each cell, pendulous, inverted. Style simple. Fruit a nut or drupe. Seeds with fleshy albumen. Genus 1, species 1. West Africa. Yields timber and edible fruits from which a spirituous drink is prepared. (_Aubrya_ Baill., under _Humiria_ Aubl.) =Saccoglottis= Mart. FAMILY 112. ERYTHROXYLACEAE Shrubs or trees, rarely undershrubs. Leaves entire, stipulate. Flowers solitary or in clusters, regular, hermaphrodite, rarely polygamous. Sepals 5, imbricate in bud. Petals 5, free, with a callosity or an appendage on the inner face, imbricate or contorted in aestivation. Stamens 10. Filaments united at the base. Anthers opening by two longitudinal slits. Ovary 3-, rarely 4-celled, usually a single cell fertile. Ovules 1-2, pendulous, inverted. Styles or style-branches 3, rarely 4. Fruit a drupe. Seeds with fleshy albumen, rarely without albumen; embryo straight.--Genera 2, species 40. Tropical and South Africa. (Under _LINACEAE_.) (Plate 71.) Petals scarcely clawed, provided with a longitudinal callosity. Filaments united into a ring. Ovary with 3-4 two-ovuled cells. Fruit 3-4-celled. Leaves opposite. Stipules 2.--Species 1. Equatorial West Africa. =Aneulophus= Benth. Petals distinctly clawed, with a usually 2-cleft scale. Filaments united into a cup. Ovary with 1 fertile one-ovuled cell and 2 empty ones. [Illustration: ERYTHROXYLACEAE. _FLOW. PL. AFR._ _Pl. 71._ J. Fleischmann del. Erythroxylon pictum E. Mey. _A_ Flowering branch. _B_ Flower cut lengthwise. _C_ Petal from within. _D_ Stamen from front and back. _E_ Cross-section of ovary. _F_ Fruit. _G_ Fruit cut lengthwise.] [Illustration: ZYGOPHYLLACEAE. _FLOW. PL. AFR._ _Pl. 72._ J. Fleischmann del. Balanites aegyptiaca Del. _A_ Branch with flowers and young fruits. _B_ Part of branch with spines. _C_ Flower cut lengthwise. _D_ Ovary and disc cut lengthwise. _E_ Cross-section of ovary. _F_ Fruit. _G_ Fruit cut lengthwise.] Fruit 1-celled. Leaves alternate. Stipule 1.--Species 40. Tropical and South Africa. Some species yield timber or medicaments. (Plate 71.) =Erythroxylon= P. Browne FAMILY 113. ZYGOPHYLLACEAE