iXlii 



Bur Oak, Mossy-cup Oak, Over-cup 



Quercus macrocarp;i Michx. 



Oak 



1. A twig sliowiuy pistillati' ami slaniinate 4. A twig showing iiiatnrc leaves and fruit 



flowers, and immature leaves x ^2 x i/. 



- A staminate flower, lateral view x s' .". Nut witli cup, latere! view x 1 



o. A ijistillate flower, lateral view x 5 ti. Winter twia x Va 



