VI 



an indispensable complement to the part of the Kew Bulletin 

 already mentioned. 



The issue of these plates is due to the generosity of Miss 

 Clarke, sister of the Author, whose wish it is simply to place the 

 result of her brother's long years of labour before the botanic 

 world, which will doubtless be glad to feel that they are in this 

 way rescued from oblivion, and devoted to the purpose for which 

 they were intended by the Author. 



B. DAYDON JACKSON. 



BURLINGTON HOUSE, 

 PICCADILLY, LONDON, W., 

 February 1909. 



