432 J. w. BEWS. 



figs (see later), act as pioneers along waterways and form a 

 definite stage in the succession to forest. 



AscLEPiADACE.E, — Tliis family contains a large number of 

 climbing species, very characteristic of coast scrub. The 

 herbaceous non-climbers belong rather to open grassveld and 

 are poorly represented on the coast as compared with the 

 midlands. The following are all climbers : 



Cryptolepis capensis (o.) ; C. oblongif olia (513), (f.); 

 Tacazzea kirkii (o.) ; T. natalensis (o.) ; Clorocodon 

 whytei (a.); Secamone gerrardi (388), (a.); S. alpini 

 (o.); S. frutescens (o.); Pentarrhinum insipidum (517), 

 (f.); Cynanchum natalitium (301), (a.); C. capense (o.) ; 

 C schistoglossum (o.) ; Sarcostemma viminale (a.) ; 

 Pergularia extensa (?) ; Tylophora anomala (o.) ; T. 

 flanagani (o.) ; T. lycioides (o.) ; Marsdenia (Dregia) 

 floribunda (86), (a.); Telosma africana (566), (a.); 

 Gymnema sylvestre (o.) ; Riocreuxia torulosa (a.); 

 Ceropegia setifera (o.) ; C. carnosa (f.) ; C. caffrorum 

 <592), (f.) ; C. woodii (357), (f.). 



Ceropegia scabriflora, Pachycarpus inconstans, 

 P. grandif lorus, Asclepias brevicuspis, A.albens, 



A. prajmorsa, Schizoglossum robustum, Peri- 

 glossum mackenii, Sphasrocodon obtusifolium are 

 herbaceous non-climbers frequent around the outer margin. 



LoGANiACE^. — Nuxia congesta, small tree (f.) ; N. 

 floribunda (59), tree (f.) ; N. oppositifolia, shrub (f.) ; 

 Chilian thus dyssophyllus, straggling shrub (a.); C. 

 oleaceus, straggling shrub (o.) ; Buddleia salviaef olia, 

 shrub (a.) ; often a pioneer forming consocies around margin, 



B. auriculata, shrub (f.) ; Strychnos atherstonei, 

 tree (1.); S. gerrardi (16), tree (f .) ; S. spinosa, small 

 tree (l.fr); S. henningsii, tree (f.). 



Gentianacej^. — Chironia krebsii (o.); C. peduncularis 

 (o.) ; C. purpurascens (288), (f.) ; Belmontia grandis 

 (f.), marginal herbs or shrubs. 



BoRAGiNE^. — Cordia caffra (508), shrub or small tree 

 (f .) ; Ehretia hottentottica, small tree (a.). 



