Section 13. Distribution. History and Uses of Bark.

Structural and Physical Properties of Wood. Uses of Wood.

Commercial Divisions of Wood. Botanical Characteristics of

Trees, etc. 68

_a._ White Birch (Betula populifolia) 70

_b._ Paper Birch (Betula papyrifera) 71

_c._ Red Birch (Betula nigra) 72

_d._ Yellow Birch (Betula lutea) 73

_e._ Sweet, Cherry Birch. (Betula lenta) 74

LOCUST; MESQUITE (Robinia, Gleditsia, Prosopis).

The Principal Species of Wood: Their Characteristic Properties First Edition · 第 12 / 38 章