8 2 %^t :^ttatom^ 



be dilated. • And this being dila- 

 tedj the Cortical Body alfo^ muft 

 needs be inferted 5 and is there- 

 fore in proportion alwayes mbre 

 or le(s fmaller here in the trunk^^ 

 than in the Root. And as the Cor- 

 tical Body leffens, fo the Tith will 

 be enlarged., and by the fame pro- 

 portion is here greater^ And the 

 Tith being enlarged it felf^ its 

 Pores (the Lignom Body ^ upon 

 its dilatation^ as it were tentering 

 and Rretching out all their fides) 

 muft needs likewife be enlarged 

 with it, and accordingly are evei 

 greater in the Vith of the Trunks ^ 

 than of the B-oot. And the dila- 

 tation of the Lignom Body ftill 

 continued^ it folio ws^ that where- 

 as the Tith defceadentin the Root^ 

 is not only in proportion lels and 

 lefs^ but alfo in the fmaller extre- 

 miti ^s thereof and fbmetimes high- 

 er altogether abfent : Contrari- 

 wife^ in the Trunk^it is not only 



con- 



