no Trees with Simple Leaves. [A in 



to be called lobes ; mostly rounded at the apex, but 

 sometimes ending in a hard point ; the main ribs 

 prominent and rust-colored. 



Bark of trunk, grayish-white, dividing into large, flat scales. 



Acorns, usually in pairs on a stem one and a quarter to 

 three inches long. Cup, rounded, rather thin, rough, 

 with sharp scales ; the upper scales bristle-tipped, 

 forming a border, or sometimes a fringe, along the 

 edge ; slightly downy within. Nut, one inch or less 

 in length, egg-shape ; sweet. October. 



Found from Southern Maine and the Upper St. Law- 

 rence to Southeastern Iowa and Western Missouri, 

 south to Delaware and along the Alleghany Moun- 

 tains to Northern Georgia ; along borders of streams 

 and in swamps, in deep, rich soil. Its finest growth 

 is in the region of the Great Lakes. 



A tree thirty to sixty feet high or more, with wood 

 similar in value to that of the White Oak. 



- 57. Chestnut Oak, Swamp Chestnut Oak, Rock Chest- 

 nut Oak. Q. prinus, L. Q. prinus, var. mont\color, Michx. 



Leaves, SIMPLE ; ALTERNATE ; EDGE COARSELY AND EVENLY 



WAVY-TOOTHED. 



Outline, reverse egg-shape or sometimes oval. Apex, 

 blunt-pointed. Base, rounded or slightly pointed, 

 and often somewhat unequal. 



Leaf, four to seven inches long, two to four inches wide ; 

 smooth above, paler and downy beneath. Teeth, 

 twelve to twenty-six, decreasing evenly and uniformly 

 to the apex. 



Bark of trunk, gray ; furrowed up and down with con- 

 tinuous and often very deep furrows, with sharp 

 ridges between. 



