Fig. 43. Some Fossil Maple Leaves and Fruits (About i Natural Size) 



1. Acer caudatum Heer from the Upper Cretaceous of Greenland. 



2. Acer osnionti Knowlton from the late Eocene of Oregon. 



3. Acer Santagatae Massalongo from the Pliocene of Italy. 



4 to 8. Acer trilohatum Al. Braun from the Tortonian or Upper Miocene of 

 Baden. 



9. Acer brachyphyllum Heer from the late Eocene of Spitzbergcn. 



10. Acer jurenaky Stur from the Sarmatian or late Miocene of Hungary. 



11. Acer plioca^niciim Saporta from the Pliocene of France. The ancestor 

 of the existing Acer polyniorphum (pahnalum) of Europe. 



12. Acer narbonncnse Saporta from the Oligocene (Chattian) of France. 



219 



