ESSENCES 



147 



also in the sugar-ljcet rout, ami is manufactured artificially 

 from oil of cloves and from pine wood. But these artificial 

 products are inferior in flavor to the natural product extracted 



from the vanilla "bi 



can. 



Fig. 146, I. — Peppermint {MtnOia piperita. Mint FanliJ^^ LnhiaUT). 

 Flowering top. (Baillon.J — A perennial herb, growing 1 ni. tall, aro- 

 matic; leaves bearing numerous minute volatile oil glands; flowers pale 

 purplish; nutlets seldom formed. 



The oil of wintergreen is likewise manufactured artificially, 

 but in this case the artificial product is indistinguishable 

 from the natural one. Unlike most oils this sinks in water, 

 being inileed the heaviest known of A'olatile oils. It is a 



