Part 17 (1/2)

25

WHITE CEDAR.

_Chamaecyparis thyoides_ (Linnaeus) B. S. P.

_Chamaecyparis_ means low cypress; _thyoides_ means like _thuya_ (_Aborvitae_).

[Ill.u.s.tration: Habitat.]

HABITAT: (See map); best in Virginia and North Carolina.

[Ill.u.s.tration: Leaf.]

CHARACTERISTICS OF THE TREE: Height, 60'-80'; diameter, 2'-4'; branches, low, often forming impenetrable thickets; bark, light reddish brown, many fine longitudinal fissures, often spirally twisted around stem; leaves, scale-like, four-ranked; cones, globular, 1/4”

diameter.

APPEARANCE OF WOOD: Color, pink to brown, sap-wood lighter; non-porous; rings, sharp and distinct; grain, straight; rays, numerous, obscure; non-resinous.

PHYSICAL QUALITIES: Very light in weight (64th in this list); 23 lbs.

per cu. ft.; sp. gr. 0.3322); weak (64th in this list); brittle (63d in this list; soft (62d in this list); shrinkage 3 per cent.; warps little; extremely durable; easily worked; splits easily; nails well.

COMMON USES: Boats, s.h.i.+ngles, posts, railway ties, cooperage.

REMARKS: Grows chiefly in swamps, often in dense pure forests. Uses determined largely by its durability.

[Ill.u.s.tration: Radial Section, life size.]

[Ill.u.s.tration: Cross-section, magnified 37-1/2 diameters.]

[Ill.u.s.tration: Tangential Section, life size.]

26

LAWSON CYPRESS. PORT ORFORD CEDAR. OREGON CEDAR. WHITE CEDAR.

_Chamaecyparis lawsoniana_ (A. Murray) Parlatore.

_Chamaecyparis_ means low cypress.

[Ill.u.s.tration: Habitat.]

[Ill.u.s.tration: Leaf.]

HABITAT: (See map); best on coast of Oregon.

CHARACTERISTICS OF THE TREE: Height, 100'-200'; diameter, 4'-8', even 12'; base of trunk abruptly enlarged; bark, very thick, even 10” at base of trunk, inner and outer layers distinct, very deep fissures, rounded ridges; leaves, very small, 1/16” long, four-ranked, overlapped, flat sprays; cones, small, 1/4”, globular.