468 J. w. BEWS. 



EXPLANATION OF PLATES XXII-XXVI, 



Illustrating Prof. J. W. Bews' paper, ''The Plant Ecology 

 of the Coast Belt of Natal." 



PLATE XXII. 



Fig. 1. — Umgababa, May 29th, 1919. Strand Yei,fetation and psam- 

 niophilous bush. In the foreground Hydrophylax carnosa is 

 dominant with a clumpof Gazauia uniflora in the right-hand corner. 

 A.t the edge o£ the Hydrophylax consocies a few spreading specimens 

 of Ipomsea biloba are seen growing over the sand (cf. 'Ann. of 

 Nat. Mus.,' vol. ii, pi. xiv). In the Ijackground psammophilous bush 

 with Mimusops caff r a, dominant ; Osteospermum moniliferum 

 and Cynanchum obtusifolium abundant around the margin. 



Fig. 2. — Umgababa, May 29th, 1919. Psammophilous scrub. In 

 the foreground Scsevola lobelia is dominant nearest the sea. 

 Further up Osteosjiermum moniliferum. Brachyla?na dis- 

 color and Aloe thraskii. 



PLATE XXIII. 



Fig. 1. — Umgababa, May 29th, 1919. Climax sand-dune bush. 

 Strelitzia augusta, Sapium mannianum, Harpephyllum 

 caff rum, Antidesma venosum, Carissa grandiflora.Erythrina 

 caffra. Grewia occidentalis, Psychotria capensis, Xanth- 

 oxylon capensis, Trema bracteolata, Mimusops caffra, 

 Dalbergia armata, Schmidelia erosa, Strychnos spinosa, 

 Celastrus buxif olius and numerous other species. 



Fig. 2.— Umgababa, May 29th, 1919. Tree veld (cf. text-fig. 3). A 

 clump of trees showing Strelitzia augusta to the right and 

 Cussonia spicata to the left ; Ery thrina caffra and Antidesma 

 venosum in the background. 



PLATE XXIV. 



Fig. 1.— Verulam. May 11th, 1919. Thorn veld. Acacia horrida 

 (young trees) in the foreground. Acacia horrida,A.arabica var. 

 kraussiana, Dichrostachys nutans, Euphorbia sp. (probably 

 E. similis), Celastrus buxifolius,Ilandi a dumetorum, Cordia 

 caffra, Strychnos gerrardi, forming thorny scrub in the back- 

 ground. 



