144 



THE LATER EXTINCT FLORAS OF NORTH AMERICA. 



List of species, showing localities 



Populites elegans Lesq. ? 



Salix angustaAl. Br.? .. 



Salix cuneata Newb 



Salix flexuosa Newb.. 



Salix foliosaNewb 



Salix MeekiiNewb 



Salix membranacea Newb . . 



Carpinus grandis Ung 



Corylus Americana fossilis Newb . . 

 Corylus MacQuarrii (Forbes) Heer. 



Corylus orbiculata Newb 



Corylus rostrata fossilis Newb 



Betula angustif olia Newb 



Betula heterodonta Newb . . 



Betula sp.? Newb__ 



Alnus Alaskana Newb 



Alnus serrata Newb__ 



Alnus serrulata fossilis Newb 



Alnus sp.? Newb 



Alnites grandifolia Newb 



Fagus cretaceaNewb 



Quercus antiquaNewb 



Quereus banksuefolia Newb 



Quercus castanoides Newb 



Quercus castanopsis Newb 



Quercus consimilis Newb 



Quercus coriacea Newb 



Quercus dubia Newb.. 



Quercus elliptica Newb 



