36 P'egetable Staticks. 



the ground, and that being a denfer medi- 

 um, it was much hotter than a more rare 

 medium. 



And perhaps, the great volume ofafcend- 

 ing vapor might make the Sun-beams con- 

 verge a little toward the middle of the ground, 

 that being a denier medium , and thereby 

 increafe the heat confiderably 5 for I obferv- 

 ed, that the courfe of the fcorched hops 

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

 beams about a 1 1 a 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 verfa. 



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 Aftronomers ob- 

 fervc, may hint to us a no very improbable 



caufe 



