Vegetable Staticks . 8 y 
contrived other means, moft powerfully to 
raife and keep in motion the fap, as will 
in fome meafure appear by the experiments 
in this and the following chapter. 
I fhall begin with an experiment upon 
roots, which nature has providently taken 
care to cover with a very fine thick drai- 
ner 5 that nothing fhall be admitted into 
them, but what can readily be carried off 
by perfpiration, vegetables having no other 
provifion for difeharging their recrement. 
Experiment XXL 
Augufi 13. in the very dry year 1723, 
I dug down 2 -J- -b feet deep to the root 
of a thriving baking Tear-tree , and laid 
bare a root ? inch diameter n (Fig. 10.) I 
cut off the end of the root at i, and put 
the remaining flump i n into the glafs tube 
dr 7 which was 1 inch diameter, and 8 inches 
long, cementing it fail at r, the lower part 
of the tube d z was 18 inches long, and ^ 
inch diameter in bore. 
Then I turned the lower end of the tube 
z uppermoft, and filled it full of water, and 
then immediately immerfed the fmall end z 
into the ciftern of mercury taking away 
my finger, which flopped up the end of the 
tube z. G 3 The 
