KEY FOR THE IDENTIFICATION OF TREES AND SHRUBS 49 



34. Lobes 5-9, rounded 



sinuses: indentations, 

 reaching usually only 

 about half way to the 



midrib 35 



34. Lobes 5-9, rounded 

 sinuses reaching 

 nearly to midrib, 

 leaf thin, smooth, 

 light green, petioles 



slender 36 



35. Lobes broadening 

 outward from 

 their bases, leaf 

 thick, dark green, 

 soft -hairy beneath, 

 petiole stout, acorn 

 cup deep with loose, 

 velvety scales and 

 fringed edge, acorn 

 without rings be- 

 low the tip or with 

 only one ring. 

 Black Oak 



Quercus velutina Lam. 

 35. Lobes narrowing 

 outward from their 

 bases, acorn cup 

 shallow, with 

 smooth, close 

 scales and edge 

 not fringed, acorn 

 with 2 or more faint 

 rings below the tip. 

 Red Oak 

 Quercus rubra L. 



36. Horizontal-spread- 

 ing branches, acorn 

 cup deep, scales 

 smooth, rim smooth, 

 2 or more rings on 

 acorn just below tip. 

 Scarlet Oak 



Quercus coccinea Muench. 

 36. Lower branches slant- 

 ing downward from the 



