104 ' BOTANT. 



oaks or maples. There were cone-bearing trees and tree- 

 ferns, as well as gigantic club-mosses and horsetails; but 

 even these were, very different from any now living. 



212. The foregoing table (Fig. 43) will show the main 

 facts as to the distribution of the principal branches of 

 the vegetable kingdom in geological time. It must be 

 remembered that the geological record is as yet only frag- 

 mentary, and in all probability many of the lines will be 

 carried down much further as our knowledge becomes more 

 complete. 



