548 L. Lesquereux—Lignitic formations of the Rocky Mountains. 
Myrica from Black Butte; these, with a number of species of 
Palm and of Fucoids. So much for the assertion that not one of 
the species, not even a genus of the KHocene of Alum Bay and Mt. 
Bolca, are represented in our Eocene flora. 
But this question has to be considered from another point of 
view. Prof. Heer has included nearly the whole Tertiary 
his introduction to the flora of Bornsteedt, is undecided as to 
its reference to the Eocene or the Miocene. Now it is espe- 
distance above the Cretaceous clay-beds, with Flabellaria Ain- 
keni, Diospyros brachysepala and Juglans Ungert.* 
To this positive evidence by identity of species we have the 
eneral Eocene facies of Europe represented in the Lower Lig- 
- * This last speci is not positivel rtai the specim ens of the past year’s 
Soviet geaseuioaled seein tw Aompalmamae 
