PLATE VI. 



Page. 



Figs. 1,2. Betiilites populifolins, sp. nov 04 



3-5. Betulites nigoaus, sp. uov 65 



6. Qtiercus glascoena, sp. nov 55 



7. Sassafras (Araliopsis) papillosum, sp. nov • 102 



270 



