﻿28 SCOTT, Early History of Seed-bearing Plants. 



of Fossil Botany (although we may not accept their 

 results in detail) to have first grasped the fertile idea that 

 nearly related plants may lie, some on one side, some 

 on the other, of the ideal Cryptogamic-Phanerogamic 

 boundary. The demonstration that something like a 

 debatable land once lay on this frontier, now so well 

 delimited, is perhaps the greatest contribution which 

 Paleobotany has yet made to the Theory of Descent. 



