PLATE VII. 



Page. 



Fig. 1. Quercus Wardiana, sp. nov 53 



'i. Galla quercina, sp. nov .' 5rt 



3. Qiiercus alnoides, sp. nov .^4 



4. Quercus dakotensis Lesq 56 



5. Quercus hexagona Lesq ^S 



6. Ilex Masoni, sp. nov 179 



7. Populites litigiosus (Heer), Lesq 4(> 



8,9. Populites Sternbergii, sp. nov 45 



273 



