BLACK JACK OAK 



1. Winter twig, x 1. 



2. Portion of twig, enlarged. 



3. Leaf, x y 2 . 



4. Flowering branchlet, x V 2 . 



5. Staminate flower, enlarged. 



6. Pistillate flower, enlarged. 



7. Fruit, x 1. 



(From Otis: Mich. Trees) 



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