Flora of the Leribe Plateau and Environs. 23 



Among the Phanerogams enumerated in the list there are 273 



species (17'23 per cent, of the total Phanerogamic flora) endemic. 



The more important orders, of which more than 20 per cent, of the 

 species are endemic, are as follows : 



Order Numb . 6r f Dumber of Percentage, 

 species. endemic species. 



Selaginaceae .29 . 12 . 41'3 



Ericaceae . 20 . 6 30'0 



Campanulaceae 31 8 25'8 



Compositae . 286 . 74 . 25'8 



Crassulaceae 35 9 25' 7 



Leguminosae .95 . 24 . 25'2 



Grentianaceae . 21 . 5 . 23 - 8 



Liliaceae 101 . 23 227 



Orchidaceae. 89 20 22'4 



Scrophulariaceae .86 . 19 . 22'0 



The more important genera, of which more than 20 per cent, of the 

 species are endemic, are as follows : 



Genus. Number of Number of Percentage, 

 species. endemic species. 



Berkheva 12 7 58 '3 



/ 



Lotononis 17 9 52'9 



Disperis 10 . 5 . 50'0 



Bury ops 12 . 6 . 50 '0 



Hebenstreitia 10 5 . 50'0 



Kniphofia . 14 . 7 . 50'0 



Zaluzianskya 12 6 . 50'0 



Wahlenbergia 13 . 6 . 46- 1 



Stachys . 11 5 . 45'5 



Alepidea 9 4 . 44-4 



Selago . 14 . 6 42 -8 



Erica . 18 . 6 . 33'3 



Sebaea. 16 5 . 31'2 



Crassula . 30 . 9 . 30'0 



Helichrysum 61 . 18 29'5 



Sutera ^ 18 . 5 27'7 



Senecio 56 . 12 214 



IV. THE KALAHAK1 FLOEA. 



To arrive at the composition and the affinities of the flora of the 



Eastern Mountain Region it has been necessary to draw up fresh lists 

 of the species occurring in the Kalahari and South-Eastern Regions, 



