The principal white oak of Southern States; edible acorns devoured by cattle, whence its name. [p015]
Rock Chestnut Oak (Mass., R. I., Pa., Del., Ala.).
Maine to Georgia, westward intermittently to Kentucky and Alabama. Best development in southern Alleghany Mountain region.
Seventy-five to eighty feet in height, three or four feet in diameter. Leaves resemble those of chestnut.
Heartwood dark brown, sapwood lighter, close-grained, medullary rays conspicuous.
Heavy, tough, hard, strong, and durable in contact with soil.
Largely used for railway ties. Bark rich in tannin.
Weight of Seasoned Wood in Pounds per Cubic Foot.
Prinus is a Greek name applied to a species of oak. [p016]
POST OAK. _Quercus minor Sargent_, _Quercus obtusiloba Michx._
East of Rocky Mountains--Massachusetts to northern Florida, westward intermittently to Nebraska and Gulf States.
Fifty to seventy feet in height, two to three feet in diameter. Low shrub in Florida. Blunt lobes or projections to leaves. Leaves clustered at ends of branches. Fine tree with rounded top.
Heartwood light or dark brown with lighter sapwood. Close-grained, annual rings well marked. Numerous and conspicuous medullary rays.
Heavy, hard, strong, checks badly in drying. Durable in contact with soil.
Largely used, particularly in Southwest, for fencing, railway ties, and fuel; also for cooperage, construction, etc.
Weight of Seasoned Wood in Pounds per Cubic Foot.
2,030,000 (average of 49 tests by U. S. Forestry Div.).[18]
12,300 (average of 49 tests by U. S. Forestry Div.).[18]
Most common and widely distributed oak in Gulf States west of the Mississippi River. Obtusiloba, the Latin for blunt-lobed, refers to the shapes of the leaves. Wood seldom commercially distinguished from white oak. [p017]
Overcup Oak (R. I., Del., Pa., Miss., La., Ill., Minn.).
Mossycup Oak (Mass., Pa., Del., Miss., La., Tex., Ark., Ill., Iowa, Neb., Kan.).
New Brunswick, New England, westward intermittently to Montana and Texas.
Seventy to one hundred and thirty feet in height, five to seven feet in diameter. Deep opposite depressions to leaves. Mossy, fringed border at top of acorn-cup. Corky wings on young branches.
Heartwood rich brown, sapwood lighter, close-grained, broad conspicuous medullary rays.