PLATE VI. TYPES OF LEAF-SCARS AND BUNDLE-SCARS. 



1. Tulip Tree. 



2. Catalpa. 



3. American Hornbeam. 



4. Sassafras. 



5. Persimmon. 



6. Maple. 



7. Poplar. 



8. Red Mulberry. 



9. Button wood. 



10. Chestnut. 



11. Walnut. 



All drawings are slightly enlarged 



12. Basswood. 



13. Birch. 



14. Box Elder. 



15. Papaw. 



16. Horse Chestnut. 



17. Dwarf Sumach. 

 17a. Staghorn Sumach. 



18. Hercules' Club. 



19. Sour-wood. 



20. Kentucky Coffee Tree. 



21. Ash. 



