292 110. LINACEAE — III. HUMIRIACEAE — 112. ERYTHROXYL.^CEAE 



4. Styles 5, free or united at the base. Stamens 10. Petals deciduous. 



Fruit a drupe. — Species 25. Tropics. Some are used medicinally. 



(Plate 70.) Hugonia L. 



Style I, undivided or 2 — 3-cleft at the top 5 



5. Style shortly 2-cleft. Ovary 2-celled, with i ovule in each cell. Stamens 



10. Anthers linear or oblong. Petals elongated, with a glandular pit 



at the claw. — Species 2. East Africa. . Nectaropetalum Engl. 



Style 3-cleft or undivided. Ovary 3 — 5-celled 6 



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 i. 



West Africa (Cameroons) Lepidobotrys Engl. 



Style undivided. Stamens usually 5. Corolla persistent. Fruit cap- 

 sular. Inflorescence racemose with small bracts, or paniculate. — 

 Species 5. Central Africa. (Under Ochthocosmns Benth.) 



Phyllocosmus Klotzsch 



FAMILY HI. 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 pro- 

 longed connective and i-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 i, species i. West Africa. Yields timber and edible fruits from 

 which a spirituous drink is prepared. {Aitbrya Baill., under Hu})iiria 

 Aubl.) Saccoglottis Mart. 



FAMILY 112. ERYTHROXYLACEAE 



Shrubs or trees, rarely underslirubs. 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-cellcd, usually a single cell fertile. Ovules i — 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 i. Equatorial West 



Africa Aneulophus Benth. 



Petals distinctly clawed, with a usually 2-cIeft scale. Filaments united 

 into a cup. Ovary with i fertile one-ovuled cell and 2 empty ones. 



