PIN OAK. SWAMP OAK 



1. Winter twig, x 2. 



2. Leaf, x y 2 . 



3. Flowering flower, enlarged. 



4. Staminate flower, enlarged. 



5. Pistillate flower, enlarged. 



6. Fruit, x V 2 . 



(From Otis: Mich. Trees) 



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