2. Fruit drupaceous. Petals imbricate in bud. Flowers usually in fascicles or in fascicled cymes.--Species 60. Tropical and South Africa. Several species yield rubber or edible fruits. (Plate 83.) =Salacia= L. Fruit capsular or separating into several mericarps. Anthers roundish. Leaves opposite. Flowers usually in simple cymes.--Species 50. Tropics to Delagoa Bay. Some are used medicinally. (Including _Helictonema_ Pierre). =Hippocratea= L. FAMILY 131. SALVADORACEAE. Shrubs or trees. Leaves opposite, simple, entire, with minute stipules. Flowers solitary or in spikes, racemes or panicles, regular. Calyx 2-4-cleft. Petals 4, very rarely 5, free or united at the base, with imbricate or contorted aestivation. Stamens as many as and alternate with the petals; sometimes 4-5 staminodes also present. Ovary superior, 1-2-celled. Ovules 1-2 in each cell, erect, inverted. Style simple, short. Fruit a berry or a drupe. Seeds exalbuminous; embryo with the radicle turned downwards.--Genera 3, species 6. 1. Flowers dioecious. Petals 4, free, narrow. Filaments free from one another and from the corolla. Glands between the stamens absent. Ovary 2-celled. Shrubs with 2-6 spines in the axils of the leaves.--Species 2. Tropical and South Africa. Used medicinally. (_Monetia_ L’Hér.) =Azima= Lam. Flowers hermaphrodite or polygamous. Filaments united together or to the corolla. Glands between the stamens nearly always present. Ovary 1-celled. Unarmed shrubs or trees. 2 2. Petals free, narrow. Filaments united at the base. Anthers oblong.--Species 3. East Africa. Yielding timber. (Including _Platymitium_ Warb.) =Dobera= Juss. Petals united at the base, broad, 4. Filaments free. Anthers ovoid or globose.--Species 1 (_S. persica_ Garcin). North-east and Central Africa to Delagoa Bay. Yields edible fruits and medicaments; the twigs are used as tooth-brushes. =Salvadora= Garcin [Illustration: HIPPOCRATEACEAE. _FLOW. PL. AFR._ _Pl. 83._ J. Fleischmann del. Salacia Dusenii Loesen. _A_ Flowering branch. _B_ Flower from above. _C_ Flower cut lengthwise. _D_ Cross-section of ovary.] [Illustration: ICACINACEAE. _FLOW. PL. AFR._ _Pl. 84._ J. Fleischmann del. Apodytes dimidiata E. Mey. _A_ Flowering branch. _B_ Flower cut lengthwise. _C_ Fruit. _D_ Fruit cut lengthwise.] SUBORDER ICACININEAE FAMILY 132. ICACINACEAE Trees or shrubs. Leaves entire toothed or lobed, without stipules. Flowers regular, 4-5-merous. Stamens as many as the petals or perianth-segments and alternate with them. Anthers opening by 2 longitudinal slits. Ovary superior, 1-celled. Ovules 2, pendulous, inverted, with dorsal raphe. Style 1 or 0. Fruit a drupe. Seed 1, with a thin testa, without an aril.--Genera 19, species 90. Tropical and South Africa. (Under _OLACINEAE_.) (Plate 84.) 1. Pericarp warty or spiny on the inner face. Embryo equalling the albumen. Climbing or twining shrubs. Leafstalk terete. [Tribe PHYTOCRENEAE.] 2