PREFACE. 



The useful and powerful aid which the modern practice 

 of medicine has received from many substances in the 

 Animal and Mineral Kingdom, is a fact too well known 

 to require elucidation : and that no publication has 

 hitherto appeared in this country on a subject so gene- 

 rally useful, has excited the surprise of all who are 

 acquainted with medicine as a science. 



The Author, in presenting to the public this Work, 

 which may be considered as a continuation of a former 

 one by Mr. Churchill and himself, trusts that in some 

 measure he has succeeded in accomplishing what has 

 been so long desired. The reader will likewise find that 

 it renders complete the works which others have written 

 on the subject of Medical Botany. 



To the account of each Animal and Mineral substance 

 are appended the characters of the genus and species to 

 which they belong, to this is added the English, provin- 

 cial and foreign names ; a copious list of synonymes ; 

 physical, chemical, and medical properties and uses. 

 The medical reader will find every substance retained in 

 modern practice has been fully and, the Author would 



