Red Oak

RED OAK
(Quercus borealis)

Shape round headed; 50-150 ft. tall. Trunk usually extensively branching about 15 ft. from the ground. Bark on young parts gray brown; on trunk dark brown and finally broken by shallow furrows into long, straight, flat faced ridges. Twigs rather slender, red. Leaves paler beneath, in autumn turning a rich maroon red. Range: N.S. and the St. Lawr. and Gt. Lakes basins (exc. L. Superior) throughout the forest belt of the Middle West, s. to w. Tex. and centr. Tenn., s. on the mts. to Ga. Not a valuable timber tree. SPANISH OAK (Quercus falcata) is important for its good tan bark. Leaves long and narrow, with 5-7 deep, narrow, scythe-shaped lobes, gray downy beneath. Acorn only ½ in. long, half buried in its cup. Gulf States and up the Mississippi to s. Ind., around the coast to N. J.

Swamp Spanish Oak

SWAMP SPANISH OAK
(Quercus palustris)

Bark dark brown with gray patches, scored with shallow, short, vertical furrows. Branches horizontal and finally somewhat drooping. Twigs numerous, slender. Leaves 3-5 in. long, paler beneath and tufted in the axils of the veins with fine hairs. Autumn foliage a rich cardinal red. Range: Chiefly lowlands of the Ohio Valley sw. to Okla. and Kans., ne. through Pa. to Del., s. N. Y. and the lower Connecticut valley. A fine tree reaching 100 ft. tall. PIN OAK (Quercus coccinea) differs in having its leaves truncate at base, and its acorn cup hemispherical instead of saucer-shaped. Foliage brilliant cardinal red in autumn. S. Me. to Fla., w. to Tex. and Ia. YELLOW OAK (Quercus ellipsoidalis) is very similar to Swamp Spanish Oak; the bark is smooth and gray, the stature small; cup gray; leaves yellowish brown in Fall. S. Mich. to Man. and Ia.

Black Oak

BLACK OAK
(Quercus velutina)