TRAGACANTH. 



43 



Astragalus Trayacantka. 



parts of the Levant, affords a gum in some respects 

 superior to either of the above. Though the native 

 of a warmer climate, this plant can endure with im- 

 punity the colder temperature of England, refusing, 

 however, to yield any of that juice which here it pro- 

 duces only sufficiently for its own nourishment. This 

 gum is called tragacanth or adragant, and sometimes 

 it is vulgarly termed gum-dragon* Tournefort tell? 



