THE PLANT ECOLOGY OF DRAKENSBERG RANGE. 565 



EXPLANATION OF PLATES XXXVI to XXXIX, 



Illustrating Professor J. W. Bews' paper, "The Plant Ecology 

 of the Drakensberg Range/' 



PLATE XXXVI. 



Fig. ]. — Van Reenen's Pass. Tussock Veld with Pro tea rou- 

 pelliaj m flower. The Proteaceae have almost entirely disappeared 

 from the neighbourhood of this pass. 



Fig. 2. — Sci-ub in kloof near Van Reenen. Leucosidea sericea 

 dominant with BuddJeia salvia^folia subdominant. (For descrip- 

 tion see p. 543.) 



PLATE XXXVII 



A general view of the Mont aux Sources from the bed of the Tugela 

 river at an altitude of about 4500 ft. In the river bed Leucosidea 

 and Composites such as Aster filifolius; on the river bank 

 Myrsine melanophleos, Yellow-woods and other sjiecies, as named 

 on p. 549. On the valley slopes on both sides. Pro tea veld. Above 

 this the Cave Sandstone Cliffs are conspicuous, the dark stripes and 

 patches being due to Cyanophycea;. Above this, about 4000 ft. of 

 amygdaloidal, basaltic and rhyolitic lavas. See also sections on pp. 

 516, 517. 



PLATE XXXVIII. 



Mont aux Sources. Fynbosch or Maquis formation, as described on 

 p. 560. In the middle of the cliffs the upper Tugela Falls are seen, the 

 height of which has been estimated as 2050 ft. 



PLATE XXXIX. 



Summit of Mont aux Sources. Cliffs with lithophytes and chomo- 

 phytes, mostly Composita; (Helichrysum spp.) 



