AN fECOLOGIOAL SURVEY OF THE MIDLANDS OF NATAI-. 545 



Phragmites communis, Oliffortia strol)ilifera, Helichry- 

 sum spp., Rubus rigidus. Zizyphus mucronata, Ficus 

 capensis, ComV)retiim salicifolium. Chilian tu us dyssophyllus 

 Acacia caffra, Dalbergia obovata, Rhus sp.. Celastrus 

 buxifolius, Heteromorpha ai'borescens. Asparagus sp.. 

 Lippia asperifolia, Jasrainum sp., Randia rudis, Ruyeua 

 pallescens. Vitis orieutalis. Indigofera sp., Epilobium 

 hirsutum. Athanasia pennata, Aloe saponaria. Aster sp., 

 Scabiosa columbaria var. dissecta, Ochna atro-purpurea, 

 Setaria imberbis, Crassula muscoides. 



PI. XLI. — Henley. Rocky stream type of bush. List of species as 

 given on p. 520. Combretum kraussii is the dominant tree. It is 

 easily recognisable from a distance by the colour of its foliage, which is 

 a light green in early spring and reddish in autumn. High veld is 

 shown in the background. 



PL XLII.— The Umgeni valley, fromTaljle Mountain (Natal). Thorn 

 veld. This photograph gives a good idea of the rugged country in the 

 low veld region, and should be contrasted with the alluvial flats as 

 shown in PI. XL. Note how the trees gi-ow closer togethei- near to the 

 river. Watsonia densiflora in the foreground (high veld). 



PL XLIII. — Umlaas River. Thorn veld and denser thorn tliicket. 

 For list of species see p. 524. 



PL XLIV. — Edendale. Rocky hillside formation of high veld region. 

 List of species given on p. 527. High veld with Anthistiria and 

 Andropogon spp. on the left, Cussonia spicata in the foreground. 



PL XLV.— Below Howick Falls. Rocky hillside formation of low 

 veld region. Thorn thicket to the right. Lists of species, p. 528. 



PL XL VI. — Tugela Valley. Dry river valley with extremely xero- 

 phytic plants. See list p. 528. In the foreground Aloe f erox. 

 Euphorbia grandidens (candelabra form) is conspicuous, and 

 Euphorbia tirucalli (more shrubby) is mixed with it. 



VOL. 2j PART 4. 



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