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EASTERN ETHIOPIA 



XVIII 



suspected its existence until one day the clouds parted 

 and unveiled its magnificient white peaks. 



Dr. Fillippi, who wrote the account of the Duke of the 

 Abruzzi's expedition to Ruwenzori (1896), explains the 



Lobelia yibbtroa. 



A lobelia ground on Ruwenzori, 7,000 feet. (From a photograph 

 by Dr. A. F. R. Wollaston, Journal of the Linnenn Society, 

 1908, xxxviii, PI. xvii, Fig. 3. 



persistent rainy season on this mountain range by the 

 fact that it rises like an island from the vast marshy 

 plains of Uganda and the boundless forest of the Congo ; 

 it is a centre of attraction for the mass of vapour 

 sucked up by the tropical sun, condensing round the 



