18 Key to the Species 



Mature leaves densely tomentose 

 beneath. 



Upland tree ; leaf usually with 

 a long central lobe, base of 



leaf rounded Spanish Oak (57) 



Low-ground tree ; base of leaf 



pointed Swamp Spanish Oak (58) 



D. Leaves simple, opposite on the twig, 

 a Edges of leaf not toothed or lobed. 

 Leaves heart-shaped, large. 



Fruit a short, ovate pod Paulownia (p. 97) 



Fruit a long, slender pod Catalpa (162) 



Leaves not heart-shaped. 

 Leaves with minute white hairs on both 

 sides ; each group of small, yellow 

 flowers surrounded by four white, 



petal-like leaves Dogwood (141) 



Leaves without hairs on the upper side ; 



flowers in loose, drooping clusters, 



fragrant, petals long and narrow. . . . Fringe Tree (160) 



Leaves without hairs on the upper 



side ; flowers in broad, erect clusters, 



petals short Withe Rod (165) 



Leaves without hairs, evergreen ; flow- 

 ers in axillary clusters, fragrant. . . . Devil-wood (161) 

 b Edges of leaves with teeth or lobes. 

 Leaves not lobed, toothed. 



Peduncles (common stalks of the fruit 

 and flower clusters) % inch or more 



long Withe Bod (165) 



Peduncles less than % inch long. 



Twigs and leaf-stalks smooth Black Haw (163) 



Twigs and leaf-stalks sparingly red- 

 hairy or scurfy (scaly), mountain 



tree Nanny Berry (166) 



Twigs and leaf-stalks covered with 



red plush, middle and eastern tree Blue Haw (164) 

 Leaves lobed and strongly toothed. 



Small trees of the high mountains ; * 



fruit in terminal racemes. 



Bark striped with whitish lines Striped Maple (130) 



Bark not striped with whitish lines. . Mountain Maple (131) 

 Small shrub or tree of the Piedmont ; 

 bark very white ; leaves not whitish 



beneath : White-oarked Sugar Maple (12 



Larger trees ; fruits in lateral clusters. 

 Leaves deeply lobed more than half 

 way to the middle, coarsely tooth- 

 ed, silvery white below Silver Maple (123) 



