[8o] 



recently my own * ^ it being the applicati* 

 <jn thereof I take fingly to my felf. Again^ 

 the obftrudtion of the fap's free extention 

 globularly in the body of an Oak, caufed by 

 the fmallnefs of the horizontal velTels, is an 

 argument of the power, accruing virtually 

 from fuch rarefadlion, given in part to the 

 tender fibres of all roots, to pierce the earth. 

 And fuch powers of theirs may well be fup- 

 pofed to be the greater, when the fap in the 

 body is not employed to the protrufion of 

 lateral germens, which is a frefli reafon by 

 all poffible means to procure their deftruc- 

 tion. To the like caufe furely, in good 

 part at leaft, may not unreafonably be a- 

 fcribed the fudden ftriking of the roots of 

 an Inlay. 



I WISH I were able to entertain the Oak 

 proprietor with fome intermediate affedling 

 Comparifon, or diverting Simile to fo long 

 an argument as I think this will prove, efpe- 

 cially as I think it would well bear them 

 both : But left I ftiould prejudice the cafe by 



* Thus Boerhaave fays, That one efFed of Fire is 

 dilatation (even) of all folid bodies, and particularly, that 

 an Iron bar hatid^ inma/fs in all its diAienHons. 



my 



