TRADE. 45^ 



quality, Thofe kinds which are brown and 

 grey are much inferior to the other. 



Worms fometimes get into the ginfeng, 

 and gnaw it, which would render it unfit 

 for fale, were it not for the cunning of the 

 Chinefe, who have the patience to fill up 

 the holes with a yellow powder which has 

 a great refemblance to the colour of the 

 root. They infmuate this powder into the 

 fmall eyes of the plant, with fo much art, 

 that one muft be a great conoifTeur to avoid 

 being deceived. The Chinefe themfelves, 

 however, are fometimes dupes, in their turn, 

 to the fraud of fome European merchants, 

 who mix with their oriental ginfeng a cer- 

 tain quantity of that of Canada, which is 

 far inferior in value. Tt is deficient not 

 ohly in colour, fmell, and tranfparency, but 

 alfo in its virtue and properties. Notwith- 

 flanding the high idea entertained of this 

 plant, the trials made of it in Europe never 



corre- 



