THE PLANT ECOLOGY OF THE COAST BELT OF NATAF;. 429 



Passiflorace.e. — Ophiocaulon gummifera (11), climber 

 (f.). 



Samydace^. — Gerrardiana foliosa, shrub (l.a.) ; Homa- 

 lium rufescens (529), much bi-anched shrub (o.). 



Cucurbitacej:. — Cephalandra palmata (283), Trocho- 

 meria sagittata, T. pectinata, T. garcini (570), 

 Peponia mackenii, Spheerosicyos sphsericus (289), 

 Momordica charantia, M. balsamiiiea, M. involucrata 

 (516), Cucumis fagarei, C. hirsutus, C. metuliferus, 

 Citrullus vulgaris, Coccinea palmata, Kedrostis 

 f oetidissima, K. glauca (574), Melothria parvifolia, 

 M. punctata, Toxanthera natalensis, Gerrardanthus 

 macrorhiza, Lagenaria vulgaris, all climbers or 

 stragglers frequent around the margin. 



Begoniacej:. — Begonia dregei (f.), B. suffruticosa 

 var. gueinziana (f.). Herbs iu moist shady places. 



Aizoacej:. — Mesembrianthemum edule (o.), around the 

 margins. 



Umbellifer.e. — Peucedanum capense (o.), Selinum 

 suff ruticosum^o.), around the margin. 



Araliace^. — Cussonia spicata (f.) (PI. XXIII, tig. 2), 

 C. umbellif era (a.), C. chartacea (o.), C. natalensis (c), 

 all trees. 



RuBiACE^. — Burchellia capensis (a.); Randia dume- 

 torum (392), (a.) ; R. rudis (o.) ; Gardenia globosa (376), 

 (a.); G. thunbergii (40), (f.) ; G. citriodora (25), (o.) ; 

 G. gerrardiana (565), (o.) ; Oxyanthus latif olius (f.) ; 

 O. natalensis (26), (f.) ; Tricalysialanceolata (231), (f.) ; 

 T. floribunda(f.) ; T.sonderiana (293), (f.) ; Plectronia 

 locuples (o.) ; P. ciliata (f.) ; P. spinosa (321), (a.); P. 

 gueinzii, creeper (a.); P. obovata (o.) ; Vangueria 

 infausta (a.); V. lasiantha (f.) ; V. latifolia (a.); 

 Pavetta caffra (o.) ; P. lanceolata (a.) ; P. obovata 

 (313), (f .) ; Psychotria capensis (329), (a.) (often in dense 

 shade). All shrubs or small trees very common and charac- 

 teristic of coast scrub, especially near the margin. The 

 Vanguerias spread through the grassveld and are often 



