A. Leaves evergreen; Southern tree.
Live Oak.
AA. Leaves not evergreen.
B. Lining of leaves pale, not downy; lobes finger-like.
White Oak.
BB. Lining of leaves pale, downy.
C. Bark of branches corky-ridged; acorn large, in fringed cup.
Bur Oak.
CC. Bark of branches shed in rough flakes; acorns large, on
long stalks.
Swamp White Oak.
CCC. Bark of branches not corky-ridged, nor scaly.
D. Acorn medium-sized; leaf margins cut into squarish lobes.
Post Oak.
DD. Acorn large; leaf margins wavy; bark dark brown.
Chestnut Oak.