Vegetable Staticks. 147 



fap, becaufe their branches, which were far 

 below the inoculated Bud, were gilded : 

 But we have many vifible proofs in the Vine, 

 and other bleeding trees, of the fap's recede- 

 ing back, and pufhing forwards alternately, 

 at different times of the day and night. 

 And there is great reafbn to think, that the 

 fap of all other trees has fuch an alternate 

 receding and progreffive motion, occafioned 

 by the alternacies of day and night, warm 

 and cool, moift and dry. 



For the fap in all vegetables does proba. 

 bly recede in fome meafure from the tops 

 of branches, as the fun leaves them ; be- 

 caufe its rarefying power then ceafing, the 

 greatly rarefied fap, and air mixt with it, 

 will condenfe, and take up lefs room than 

 they did, and the dew and rain will then 

 be flrongly imbibed by the leaves, as is pro- 

 bable from Exper. 42. and feveral others; 

 whereby the body and branches of the ve- 

 getable which have been much exhaufted by 

 the great evaporation of the day, may at 

 night imbibe fap and dew from the leaves; 

 for by feveral Experiments in the firft chap- 

 ter, plants were found to increafe confider- 

 ably in weight, in dewy and moift nights. 

 And by other experiments on the Vine in 



L the 



