8 4 Vegetable Staticks. 



by the warmth of the earth, are by the 

 cooler air foon condenfed into a vifible 

 form. And I have obferved the fame dif- 

 ference between the coolnefs of the air, and 

 the warmth of water in a pond, by putting 

 my Thermometer, which hung all night in 

 the open air in fummer time, into the water, 

 luft before the rifing of the fun, when the 

 like wreak or fog was rifing on the furface of 

 the water. 



mm s& u&m&wsmi 



CHAP. II. 



Experiments, whereby to find out the force 

 with which trees imbibe moijlure. 



HAving in the firfl: chapter feen many 

 proofs of the great quantities of li- 

 quor imbibed and perfpired by vegetables, 

 I propofe in [his, to inquire with what force 

 they do imbibe mbifture. 



Tho' vegetables (which are inanimate) 

 have not an engine, which, by its alternate 

 dilatations and contractions, does in animals 

 forcibly drive the blood through the arte- 

 ries and veins \ yet has nature wonderfully 



contrived 



