Vegetable Statich. 77 
in fome meafure appear by the experiments 
in this and the following chapter. 
I (hall begin with an experiment upon 
roots, which nature has providently taken 
care t 6 cover with a very fine thick ftrai- 
nerj that nothing fliall be admitted into 
them, but what can readily be carryed off 
by perfpiration, vegetables having no o- 
ther provifion for difeharging their recre- 
ment. 
Experiment XXL 
Augujl iz. In the very dry year 1723, 
I dug down 2 i feet deep to the root 
of a thriving baking Tear-tree, and lay- 
ed bare a root \ inch diameter t?. (Fig. 10.) 
I cut off the end of the root at and put 
s the remaining flump i n into the glafs tube 
dr, which was an inch diameter and 8 inches 
long, cementing it faft at r 5 the lower part 
of the tube d z was 1 8 inches long, and % 
inch diameter in bore. 
Then I turned the lower end of the tube 
j z uppermoft, and filled it full of water, and 
then immediately immerfed the fmall end 
j into the ciftern of mercury x 5 taking away 
my 
