3 6 Vegetable Statzcks. 



the ground ; and that being a denfer me- 

 dium, it was much hotter than a more rare 

 medium. 



And perhaps, the great volume of afcend- 

 ing vapour might make the Sun-beams con- 

 verge a little toward the middle of the ground, 

 that being a denfer medium, and thereby 

 increafe the heat confiderably \ for I obferv- 

 ed, that the courfe of the fcorched hops 

 was in a line at right angles, to the Sun- 

 beams about eleven o' clock, at which time 

 the hot gleam was: The hop-ground was 

 in a valley which run from South-weft to 

 North-eaft : And, to the beft of my remem- 

 brance, there was then but little wind, and 

 that in the courfe of the fcorch ; but had 

 there been fome other gentle wind, either 

 North or South, 'tis not improbable but 

 that the North wind gently blowing the 

 volume of riling wreak on the South fide 

 of the ground, that fide might have been 

 moft fcorched, and fo vice verfd. 



As to particular fire-blafts, which fcorch 

 here and there a few hop-vines, or one or 

 two branches of a tree, without damaging 

 the next adjoining; what Ajironomers ob- 

 ferve, may hint to us a no very improbable 



caufc 



