PLATE LIII. 



Page. 



Figs. 1, 2. Pterospermites dentatus Heer - - - 133 



3. Vitis rotundifolia Newb - 120 



4. Sequoia spinosa Newb _.._._ 21 



5. Fruit of Sequoia spinosa Newb. .__ 22 



6. Celtis parvif olia Newb . . 84 



260 



