determinate modus of the proper height to 

 raife his Oaks 5 in which cafe, it is better 

 to under, than over do. 



There is nothing more certain, if it 

 need be faid over again, than that there is a 

 Maximum quod fic^ as Mr. Ray expreifes 

 it, in all vegetables : Or to fpeak in this 

 cafe more exprefsly, a determinate propor- 

 tion of parts, beyond which, the diiiiniTt 

 fpecies of earth they grow in, cannot pro- 

 perly carry them cut. 



Nor is a fufiicient judicial knowled^ 

 therein one way, or the other, unattainable 

 by any man of fenfe ; as a judgment many 

 times may be made at fight, from the gui- 

 dance of fome natural growths (making al- 

 lowance for the errors before hinted, which 

 nature is fubjefl: to) in one and the fani€ 

 earth — or nearly adjacent — or otherwife, on 

 juft examination, fimilar earths 3 in order 

 to regulate the difcretionary height at laft, 

 of the clear bodies of his trees, according 

 to the juft capacity of his foil— But let not 

 the natural forms of low-boughing trees, fo 

 the fame have large heads, with their main 

 arms inclining to fuch erednefs and ftrait- 



nefs, 



