42 KEY FOR THE IDENTIFICATION OF TREES AND SHRUBS 





8. Lobes slightly toothed 



Red Maple 

 Acer rubrum L. 

 8. Lobes deeply and irregularly 



toothed Silver Maple 



Acer sacchartnum L. 

 9. Leaf large, heart-shaped, often set by 

 3's instead of 2's on the twig 



Catalpa 4 



9. Leaf broad-elliptic, short-stalked, soft 

 with minute hairs, veins furrowing the 

 upper leaf surface, curved, a tree-shrub, 



See #72 Flowering Dogwood 



Cornus flortda L. 

 9. Leaf slender-oval, long-pointed long- 

 stalked, minutely saw-toothed: 

 serrulate, branches slender, a shrub 

 or spreading tree, See #70 



Spindle Tree 

 Euonymus Bungeana Maxim . 

 10. Leaf evergreen, oval, thick, shining, wavy- 

 margined with spiny teeth 



American Holly 

 Ilex ovaca Ait . 



10. Leaf not evergreen, deciduous 11 



11. Leaf margin either uncut: entire or 



serrulate 12 



11. Leaf margin either conspicuously 



saw-toothed: serrate, or lobed. . . . 19 

 12. Leaf large, 3 inches or more. 



Genus Magnolia ~LJ> 



12. Leaf less than J> inches long. ... 14 

 13. Leaf firm, with tapering base, 

 a tree-shrub. See #94 



Early Magnolia 

 Magnolia Soulangeana 

 Soul. 

 13. Leaf thin, usually with rounded 

 base, a large tree 



Cucumber Tree 

 Magnolia acuminata L. 

 14. Leaf sap aromatic, leaf elliptic, 

 without lobes but on the same 

 tree there may be lobed leaves. 



Genus Sassafras. ... J>Q 

 14. Leaf sap not aromatic 15 



