A 
TREATISE 
O N 
Foreign Vegetables. 
Containing 
An Account of fuch as are now com- 
monly ufed in *he Pra&ice of P h y s i c k. 
WITH THEIR 
Defcriptions, chymical Amlyfss , Virtues, Dofes, and 
various Effects. 
Chiefly taken from the 
MATERIA MEDICA 
O F 
STEPH. FRAN. GEOFFROY, M.D. 
Profefibr of Chymiftry at P a r i s, Member of the 
Royal Academy of Sciences , and Fellow of the 
Royal Society , London. 
By RALPH THICKNESSE, M.D, 
LONDON: 
Printed for J. C l a r k e, under the Royal-Exchange , 
C. Da v 1 s in Holbourn> J. Whiston in Fleet- 
ftreety and S.Baker in RuJJel-ftreet near Covent 
Garden . Mdccxlix. 
