THE PLANT ECOLOGY OF THE COAST BELT OF NATAL. 425 



mentioned species illustrates the tropical nature of the coast 

 belt scrub. 



ViOLACE.E. — Alsodeia (Rinorea) ardise^folia, small 

 tree (a.). 



Bixinej:. — Oncoba kraussiana (172), small tree (f.) ; 

 0. spinosa, spiny shrub (o.) ; O. tettensis, shrub (o.) ; 

 Rawsonia lucida (575), shrub or small tree (f.) ; Scolopia 

 zeyheri, tree or shrub (a.) ; S. eckloni, tree or shrub (f.), 

 S. gerrardi, tree or shrub (o.) ; Dovyalis zizyphoides, 

 shrub or small tree (f.) ; D. celastroides, shrub or small 

 tree (f.) ; Aberia caff ra, shrub or small tree (o.) ; Trimeria 

 grandifolia, tree (a.). 



PiTTOSPORE.E. — Pittosporum viridiflorum, tree (a.). 



PoLYGALE.^-:. — Polyg-ala myrtifolia (f.), P. capillaris 

 (o.), P. confusa {o.), P. durbanensis (r.), P. oppositi- 

 folia (f.), P. serpentaria (o.), P. rarifolia (f.), P. 

 virgata (f.), light-demanding small shrubs near the outer 

 margin. 



GuTTiFEE^. — Garcinia gerrardi, small tree (I. a.). 



Malyace^. — Pavonia dregei (o.), P. kraussiana (o.), 

 P. columella (o.), P. odorata (o.), Hibiscus calycinus 

 (f.), H. pedunculatus (533), (f .) ; H. natalitius (o.), H. 

 furcatus (o.), H. pusillus (o.), H. sethiopicus (o.), H. 

 gossypinus (f.), Sida rhombifolia (a.), S. spinosa (o.), 

 8. acuta (f.), S. cordifolia (f), S. triloba (o.). Fibrous 

 shrubs common near the outer margin. 



Stekculiacej;;. — Cola natalensis, small tree (r.) ; Dom- 

 beya rotundifolia (l.f.), D. natalensis (f.), shrubs or 

 small trees. 



Tiliace^. — Grrewia caffra (42), shrub or tree (a.) ; G. 

 lasiocarpa, rambling shrub (f.) ; G. occidentalis (210), 

 shrub or tree (a.) ; Triumfetta ef fusa (318), (a.) ; T. 

 rhomboidea (262), (a.), both shrublets. 



Ltne^. — Erythroxylon emarginatum {v.), E. pictum 

 (r,), E. monogynum (r.), all small ti*ees rare on coast-belt. 



Malpighiace^. — Acridocarpus natalitius (f.), Sphe- 

 damnocarpus pruriens (400), (o.), both climbers. 



