r 255 ] 



If it be afked, why are they more common now 

 than formerly ? he anfwers, that before the prefent 

 mode of fetting them took place, people covered 

 them, while in the ground, with ftraw, to prote6t 

 them from froft. 



If it be afked, why one fet produces both curled 

 and fmooth flems? he anfwers, we fuppofe every 

 eye to contain a planta Jeminalis ; that all the em- 

 bryos, or feed-plants, contained in one potatoe, 

 are nourilhcd by one root j and ttiat, as in ears of 

 corn, fome of thefe feed-plants may be nourifhed 

 before others. 



One of his neighbours, lad year, fet two rows of 

 potatoes, which proving all curled, he did not take 

 them up; and this year there is not a curled one 

 among them. Such potatoes, therefore, as are de- 

 figned for feed, fhould be prefcrved as long jn the 

 ground as pofTible, 



LETTER XVIII. 



THIS writer advifes fuch fets to be planted as 

 grow in mofs-land i and, he fays, there will not be 

 a fingle curled one the firft year. This is affirmed 

 by the inhabitants of two townfliips, where they 

 grow amazing quantities, 



A medical 



