CH. 9.] PINES. 179 



the middle to the fides, that there may be 

 an equal mixture of the old tan. Thus 

 will the bed be of a mild and equal tem- 

 perature from the firft, and will continue 

 much in the fame ftate for three or four 

 months ; and, after the firft filling, is at- 

 tended with very little expence for new 

 tan. 



From the above, it is obvious, that, in 

 filling the pit of a new Pinery, it ihould 

 either be done feveral months before the 

 plants are to be placed therein, or fhould 

 be well fweated and reduced by turning, 

 in an open fhed, &c. ; but it would be advi- 

 fable not to plunge the pots above half 

 their depth, for the firft two or three 

 months after filling, in either cafe. 



In adding new tan, it fhould always be 

 thrown up 4n an heap for eight or ten 

 days before it be ufed, in order to drip 

 and fweeten ; and fhould never be applied 

 frefh from the tan-yard 5 being both wet, 

 and apt to heat violently and cake in the 

 bed, if applied in that ftate. - 



Some obje6t to tan, on account of the 

 expence and trouble attending the work- 

 ing with it : but, if the above method is 

 M 2 pradifed, 



