80 



ACERACE^E. 



pagated by layers. Few insects or their larvse seem to 

 feed upon the leaves of the Common Maple, with the 

 exception of a small dark green aphis, which is some- 

 times very abundant soon after the expansion of the leaves. 

 Loudon observes, that the misletoe is sometimes found 

 growing upon this species. 



The specific characters of the A. campestre, according 

 to botanical authors, are, leaves cordate, with five lobes, 

 toothed ; racemes corymbose, erect, the wings of the fruit 

 much divaricated. 



