88 Vegetable Staticks. 



the cement of Bees-wax and Turpentine, 

 binding a wet bladder over all. If the hard 

 cement be made of powder'd chalk inftead 

 of brick-duft, it is more binding, and is not 

 fo apt to be loofened by water. 



When the branch was thus fixed, I turned 

 it downwards, and the glafs tube upwards, 

 and then filled both tubes full of water -, 

 upon which I immediately applied the end 

 of my finger to clofe up the end of the 

 fmall tube, and immerfed it as faftaslcould 

 into the glafs ciftern x, which was full of 

 mercury and water. 



When the branch was now uppermost, 

 and placed as in this figure, then the lower 

 end of the branch was immerfed 6 inches in 

 water, viz. from r to u 



Which water was imbibed by the branch, 

 at its tranfverfe cut /; and as the water af- 

 cended up the fap-veffels of the branch, fo 

 the mercury afcended up the tube e z from 

 the ciftern x -, fo as in half an hour's time 

 the mercury was riien 5 inches and ^ high 

 gp to z. 



And this height of the mercury did in 

 fome meafure (hew the force with which the 

 fip was imbibed, tho' not near the whole 

 jorce -, for while thp water was imbibing, 



the 



