PLATE XLIX. 



Page. 



Figs. 1-3. Fraxinus integrifolia Newb .- - 128 



4. 7-9. [fig. 9 misprinted fig. 1] Populus polymorpha Newb 50 



5. Fraxinus affmis Newb , 12" 



6. Fraxinus denticulata Heer ? - - 128 



252 



