[ «3 ) 



The comparative hardinefs or tendernefs of the lcaves a 

 in refpect of froft or other variations of weather that 

 affect them. 



Particulars that concern the zvhole plant. 



The foil which feems beft to fuit each kind. 



The mode of culture that beft agrees with them. 



The accidents which arc mod liable to affect them ; and 

 in general every particular that could indicate any diffe- 

 rence between one kind and another. 



§. II. 



Thofe who have not been accuftomed to attend 

 to the growth of this plant, will perhaps think that 

 fome of the above marks are of no moment: and 

 fome of the particulars they will not be able to 

 underftand. To obviate thefe objections, a few 

 explanations are necefiary. 



The potatoe, becaufe it grows below ground, has 

 been ufually called a root — but improperly. It 

 more nearly refembles a kind of underground fruit; 

 and in conformity with this idea, the French have 

 given it the name of Pomme de Terre, ground apple. 

 This fruit has a fet of organs peculiarly adapted for 

 its production, in the fame manner as every other 

 kind of fruit above ground has a fet of organs for 

 their production; which organs appear at the 



proper 



