214 87. CAPPARIDACEAE 



jneld timber, vegetables, or medicaments. (Including yiehiihria DC. 

 and Streblocarpus Am.) Maerua Forsk. 



4. Calyx-tube distinctly developed. Petals none. Stamens about 10. Disc 



and androphore wanting. Ovary with a very short stalk. Placentas 2. 



Leaves digitate. — Species 2. South Africa. . . Bachmannia Pax 



Calyx-tube indistinct or wanting. Petals present, more rarely wanting, 



but then leaves undivided 5 



5. Receptacle produced behind into a tube- or strap-shaped appendage. Sta- 



mens 4 — 8, inserted upon a stalk-like androphore. Leaves undivided. 

 — Species 20. Tropical and South Africa. Some are used in medicine. 



(Including Schepperia Neck.) Cadaba Forsk. 



Receptacle produced into scale-like appendages or unappendaged. Sta- 

 mens rarely upon a distinct stalk-like androphore, and then iertile and 

 sterile stamens together 10 or more 6 



6. Petals none. Stamens without a distinct androphore. Leaves undivided. 7 

 Petals 4 or more. Ovules numerous . q 



7. Ovary 2-, rarely 3-celled, with 2 ovules in each cell, supported upon a long 



stalk Stamens numerous. Disc cup-shaped, crenate. Sepals 3, 

 rarely 2 or 4, united at the base. ■ — Species 6. Central Africa. 



Courbonia Brongn. 



Ovary i-celled, sometimes incompletely 2-celled, Ovules 6 or more. 



Sepals 4, rarely 5 8 



8. Disc cup-shaped, crenate, accrescent. Stamens numerous. Ovules 



numerous. Stigma 4-lobed. — Species 3. West Africa. BuchholziaEngl. 



Disc ring-shaped. Stamens 6 — 20. Ovules (^ — 12. Stigma entire. — 



Species 30. Central Africa, northern South Africa, and Sahara. The 



fruits and roots of some are eaten or used medicinally. Boscia Lam. 



9. Flowers dioecious. Sepals 5. Petals 5, united at the base. Stamens 



10 — 13, borne upon a short androphore. Ovary 5-celled, with axile 

 ovules. Leaves undivided. — Species i. West Africa. 



Cercopetalum Gilg 



Flowers hermaphrodite or polygamous, very rarely dioecious, but then 



stamens numerous. Flowers nearly alway.- 4-merous .... 10 



ro. Stamens inserted on an elongated stalk-like androphore, united in two 



bundles, one of which contains 5 — 9 fertile, the other as many sterile 



stamens. Petals 4. Placentas 2. Leaves ternately compound. — 



Species 3. East Africa Cladostemon A. Br. & Vatke 



Stamens inserted on a very short androphore or without an androphore 11 

 ir. Petals very unequal, two much larger than the others, wing-like. Stamens 

 5 — 7. Placentas 2. Leaves ternately compound. — Species i. West 

 Africa. Used as an ornamental plant. iPteropetalnm Pax) 



Euadenia Oliv. 



Petals not very unequal. Stamens 8 or more 12 



12. Petals open in aestivation, with a long claw ; sepals imbricate or open. 

 Stamens upon a short androphore bearmg scales within. Ovary upon a 



