PREFACE. 



For the present volume of the " Flora of Tropical Africa" I have been 

 fortunate in securing the assistance of several contributors who had 

 made a special study of the orders they have elaborated. 



It has been found impossible to include in it the Graminece, which 

 will have to be deferred to the ninth and concluding volume. 



For the amended definition of the regions into which the area of 

 the flora is divided, reference may be made to the preface to the 

 seventh volume. 



In the prefaces to the first, fifth, and seventh volumes will be 

 found an enumeration of the materials employed up to 1868, and of 

 the most important additions to them which have reached Kew since. 



The only further collections at Kew cited in the present volume are 



I. Upper Guinea : 



T. N. Brown . . . Collection from the Gold Coast. 



J. H. Holland . . . „ „ Nigeria 



W. H. Johnson ... »» » the Gold Coast. 



C. Punch .... »> .J Lagos. 



VI. Mozambique: 



Honourable Mrs. Kvelyn Cecil . Collection from Rhodesia. 

 Mrs. E. J. Lugard ... ,, „ Ngamiland. 



It is intended to proceed at once with the printing of the fourth 

 volume. This will contain the Apoci/nacecBy the final elaboration of 

 which has been delayed till the present in order to enumerate and 



