SUGAR MAPLE. 



105 



continues from four to six weeks, according to the 

 heat of the weather, and is conveyed every day to a 

 large receiver ; from which it is carried, after being 

 strained, to the boiler. 



THE SUGAR MAPLE, (Acer saccharinum.) 



The distribution of plants is extremely curious, 

 but it cannot be accounted for by the influence of 

 climate, or of temperature ; for it happens not un- 

 frequently that similar climates exist in different 

 portions of the globe, without identity of productions. 

 The climate of the temperate zone is analogous to that 

 of the high mountains in the torrid zone, but no in- 



