Lower branches drooping; leaf underside with conspicuous tufts of hair in vein axils; fall leaf color orange, brown……….Quercus palustris
Lower branches erect; leaf underside with obscure tufts of hair in vein axils; fall leaf color bright red………..Quercus coccinea

Quercus palustris
Pin Oak

Quercus coccinea
Scarlet Oak