Flora of the Leribe Plateau and Environs. 



25 



better known they will prove to be rich in species which do not occur 

 in the Kalahari Region, as I find from the small collections examined 

 viz., 332 species from Barberton, and 424 species from Houtbosch and 

 Pietersburg, 49'09 per cent, of the former and 5047 per cent, of the 

 latter have not been recorded from the Kalahari Region. 



METEOROLOGY. 

 TABLE VI. Rainfall, Kalahari Region.* 



Upingtoii 

 Prieska . 

 Kimberlfv 

 Vryburg . 

 Mafeking 

 Pretoria . 

 Johannesburg 

 Bloemfontein 



TABLE VII.- 



Mean fall during Mean fall during 

 six summer 

 months. 



6-43 

 8'34 

 15-82 

 21-65 

 23-41 



25-70 

 18-82 



-Rainfall during the Months of Maij August, the Period 

 <>f Lfatt Rainfall. 



* Average for five years. 

 TABLE 'VlYL.Teinjjerature. Kalahari Region.* 



Kenhardt . 



Prieska 



Kimberley 



Johannesburg 



Kroonstad . 



Bloemfontein 



Absolute 

 minimum. 



20-0 F. 

 25 F. 

 21-5 F. 

 21-0F. 

 25-0 F. 

 16-0 F. 



These tables should be compared with those under the Eastern 

 Mountain Region. The extreme drought, lasting from May to August, 

 and the greater extremes of temperature are the outstanding differences. 



