Heartwood dark-brown or black, sapwood light-brown, often with darker spots. Very thin heartwood. Very close-grained, compact structure. Medullary rays conspicuous. Resembles hickory.

Structural Qualities of Wood.

Hard, heavy, strong.

Representative Uses of Wood.

Plane-stocks, shoe-lasts, etc. Prized for shuttles.

Weight of Seasoned Wood in Pounds per Cubic Foot.

49.

Modulus of Elasticity.

1,110,000.

Modulus of Rupture.