t 99 ] 



be in any i efped benefited by froft, and therefore 

 not be too carefully guarded againft it; but from 

 the facts already ftated, it does not feem to me at 

 all probable that ever the difeafe originates from 

 that caufe.] 



Befides the above, there are many other particu- 

 lars relative to the culture of this ufeful plant, that re- 

 quire to be elucidated, fome of which are as under. 



It is to be obferved, that although the fame kind 

 of potatoe be planted in two different fields, the pro- 

 duce of the one often proves to be of a much more 

 meally kind of potatoe than that of the other; and 

 it has been in like manner remarked, that the po- 

 tatoes of one year's growth are in general more 

 watery, or the reverfe, than thofe of another feafon. 

 The caufes of thefe peculiarities do not feem to be 

 as yet fully known, though, as is ufual, many things 

 are vaguely afferted on this head, with a fufficient 

 degree of confidence. 



It is generally believed that a dry foil, or a dry 

 feafon, necelTarily produce the drieft potatoes, and 

 indeed it is fo natural to expect, a priori, that this 

 fhould be the cafe, that it is not furprifing if men 

 mould not be difficult about admitting the fact. 

 I find good reafon, however, to fufpeft that thefe 



Vol. IV. H opinions 



