104 BOTANY. 
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. 48) 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. 
