121 



leaves, and other parts of the plants, to their 

 inevitable injury, particularly the younger 

 parts, such as were the produce of the preceding 

 summer. If this kind of weather continues for 

 any considerable time, it will be adviseable to 

 give a little fire heat, to help in drying up these 

 baneful exhalations, and also as much air as 

 can be safely admitted by the doors, and front 

 windows ; more especially when fire is added ; 

 otherwise the heat of the flues will, instead of 

 expelling the contaminated air, rather occasion 

 it to exhale more freely, and be of worse con- 

 sequences. 



At this season also, the plants should ba 

 regularly examined to clear them of all dirt, 

 and also to scrape off any moss, &e. that may 

 have grown on the surface of the mould, and to 

 renew it with a little fresh loam. This con- 

 tributes much to their good appearance, if 

 neatly executed. 



SECTION III. 



The united action of the four elements, seem 

 to be as necessary to the existence of vegeta- 

 bles, as it is to the human frame ; for if they 



