171. THYMELAEACEAE 38l 



4 — 5-celled. Low trees. Leaves alternate, dotted beneatli. Flowers 

 solitary or fascicled, axillar}', white. — Species 7. West Africa. (In- 

 cluding Makok.m Baill.) [Subfamily OCTOLEPIDIOIDEAE, tribe 



OCTOLEPIDEAE.] Octolepis Oliv. 



Receptacle concave. Sepals united. Stamens perigynous. Ovary i — 2- 



celled 2 



Ovary 2-celled, surrounded by a disc. Petals none. Stamens S— 10. 

 Fruit a drupe. Shrubs. Leaves alternate. Flowers in umbels, 

 yellowish-green. — Species 10. Tropical and South Africa. [Sub- 

 family PHALERIOIDEAE, tribe PEDDIEAE.] . . Peddiea Harv. 



Ovary i-celled. [Subfamily THYMELAEOIDEAE.] 3 



Petals present, usually smaller than the sepals and 2-parted, sometimes 



united into a ring 4 



Petals none, but sometimes 8 or more scales present, inserted below the 



stamens, and usually alternating with them. Stamens 8 — 10. . . 9 



Calyx-tube constricted and jointed above the ovary, the upper part falling 



off after flowering. Fruit with a membranous exocarp. [Tribe 



GNIDIEAE.] 5 



Calyx-tube not jointed, persisting in fruit or falling off as a whole. Fruit 

 with a hard or fleshy exocarp. Stamens 8 — 10. [Tribe DICRANO- 



LEPIDEAE.j 6 



Stamens 4, inserted in the upper part of the calyx-tube, nearly sessile, 

 with a broadened connective. Petals thick-fleshy, surrounded by 

 hairs. Shrubs or imdershrubs. Leaves small, leather}-. Flowers 

 solitary or in pairs in the axils of the leaves. — Species 25. South and 



Central Africa Struthiola L. 



Stamens 8 or 10, in two whorls very distant from each other and inserted 

 in the upper part of the calyx-tube and at the throat. Trees, shrubs, or 

 undershrubs. Flowers in heads, more rarely arranged spike-like in the 

 axils of the upper leaves. — Species 125. Southern and tropical Africa. 

 Some species are used as ornamental, medicinal, or textile plants. 

 (Including Arthrosolen Mey. and Lasiosiphon Frees) Gnidia L. 



Petals united into a ring. Stamens 10. Shrubs 7 



Petals free, 2-partite. Leaves herbaceous 8 



Petals united into a nearly entire ring. Ovary short-stalked, surrounded 

 at the base by a cup-shaped or slashed disc. Flowers in few-flowered 

 axillary clusters or in short terminal racemes. — Species 6. Central 



Africa to Delagoa Bay Synaptolepis Oliv. 



Petals united into a slashed ring. Ovary sessile. Disc none. Flowers 

 in long-stalked spikes or heads. — Species 2. Madagascar and Comoro 



Islands Stephanodaphne Baill. 



, Flowers 4-merous. Petals thickish, almost erect. Staminal whorls 

 remote from each other. Anthers nearly sessile, sHghtly exserted. Disc 

 none. Ovarv sessile, hairv. Stvle included. Shrubs. Leaves op- 



