C viii ] 

 and gave ils Botanical Chancers with the ncccf- 

 fary degree of prccifion. 



Since lhat period fo greatly has the faience 

 of Botany been enriched by the dircovcrics of 

 Naturalifls, lhat no lefs than twelve fpecics of 

 Cinchona arc now found to exifl. Of thefc, fomc 

 of the principal have been excellently defcribed 

 by Profeffor Vahl or Copenhagen, of whole Dif- 

 fertation on the fubjea we here give a tranfla- 

 tiim | With the addition of other fpeciel fmcc 

 difcovcrcd ; accompanied by figures taken from 

 the fpecimens thcmfelvcs, preferved in the Her- 

 barium of Sir Joseph Banks, and afliiled by draw- 

 ings in his poiTclhon. 



By this means perfons refiding in thofe parts 

 of the world in which any fpecics of the gc- 



