HONEY DEWS. %$$ 



CHAP, XIX. 



OF HONEY DEWS, 



H< 



.ONEY dew has in general been ei> 

 roneoufly fuppofed to be a dew that falls 

 indifcriminately on all plants alike ; whereas 

 the true honey dew is an exudation from 

 the leaves of a few fpecies only, and that 

 at a time when other dews do not exift. 

 The trees and plants on which it is found, 

 are the oak, maple, fycamore, lime, hazel, 

 and blackberry ; and fometimes, though 

 very feldom, on cherry trees and currant 

 bufhes. 



Its time of appearance is about ten or 

 eleven o'clock in the morning, and its du- 

 ration about four or five hours, according 

 as the fultry heat which produces it con- 

 tinues. Sometimes it is found as early as 

 feven o'clock, and though the fun does not 

 fhine out, if the preceding day and night 

 have been fultry ; or when the fun's rays 



are 



