127. APOCYNACEAE. 16l. 



2. Succulent shrubs with swollen stems and fleshy branches. 



Leaves alternate. 3. 



Trees and shrubs with woody stems. Leaves opposite or 



whorled. 4- 



3. Unarmed. 11 ADENIUM. 



Armed with spines at bases of leaves. 



12 PACHYPODIUM. 



4. Anther cone exserted from corolla tube. 8 WRIGHTIA. 

 Anther cone concealed in corolla tube. 5. 



5. Corolla small with 5 ligulate scales in the throat. 



10 ONCINOTIS. 



Corolla fairly large with bipartite scales in the throat and 



usually tailed segments. 9 STROPHANTHUS. 



6. Carpels only partly united. Ovaries wholly free or in their 



upper part only. Styles usually free at the base. 7. 



Carpels united throughout their whole length. 10. 



7. Ovules 2 in each carpel. Leaves with axillary glands. 



4 RAUWOLFIA. 

 Ovules numerous in each carpel. 8. 



8. Small undershrub. Calyx without basal glands. 



5 LOCHNERA. 

 Trees. Calyx with glands at the base. Fruit fleshy. 9. 



9. Sepals united, high up, circumscissile at base, deciduous. 



7 VOACANGA. 

 Sepals free, not circumscissile at base. 



6 CONOPHARYNGIA. 



10. Ovary 1 celled. Stigma glabrous. 1 LANDOLPHIA. 



Ovary 2 celled. Stigma tips hairy. 11- 



11. Shrubs with simple or forked spines. 2 CARISSA. 

 Unarmed shrubs. 3 ACOKANTHERA. 



1. LANDOLPHIA Beauv 



1. kirkii Dyer, var delagoensis Dewevre. Tongoland, N.E. 



Zululand. 



2. capensis Oliv.? Empangeni and Ngoya,, Zululand. 



2. CARISSA A.DC. 



1. grandiflora A.DC. "Amatungulu." Coastbelt. Common. 



2. wyliei N.E.Br. Ngoya, Zululand. 



3. arduma Lam. Coast to Drakensberg. "Beta-umtunzi." 



"umVusamkunzi." 

 2.- ACOKANTHERA G. Don. "inTlunganyembe." 



1. venenata G. Don. Coastbelt and Midlands. 



2. spectabilis Hk.f. Coast scrub. "uBethlungubenyoka." 



4. RAUWOLFIA L. "umjela." 



natalensis Sond. "Quinine tree." Common. Coast and 

 Midlands, especially in stream bank bush. 



5. LOCHNERA Reichb. 



rosea Reichb. Common on coastbelt. Introduced. 



