45.

Modulus of Elasticity.

1,630,000.

Modulus of Rupture.

16,300.

Remarks.

Prized by wheelwrights in Europe. Resemblance of bluish bark to light-gray bark of beech gave rise to name. [p064]

Ironwood, Hop Hornbeam. Ostrya virginiana Willd.

Nomenclature. (Sudworth.)

Ironwood, Hop Hornbeam (local and common names).