Part 19 (2/2)

REMARKS: American hickory is famous both for buggies and ax handles, because it is flexible and very tough in resistance to blows.

[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.]

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PIGNUT.

Nuts eaten by swine.

_Hicoria glabra_ (Miller) Britton. _Carya porcina._

_Hicoria_ is shortened and latinized from _Pawcohicora_, the Indian name for the liquor obtained from the kernel; _glabra_ refers to smooth bark; _Carya_ the Greek name for walnut; _porcina_ means pertaining to hogs.

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

HABITAT: (See map); best in lower Ohio valley.

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

CHARACTERISTICS OF THE TREE: Height, 80'-100'; diameter 2'-4'; trunk often forked; bark, light gray, shallow fissures, rather smooth, rarely exfoliates; leaves, 8”-12” long, compound 7 leaflets, sharply serrate; fruit, a thick-sh.e.l.led nut, bitter kernel.

APPEARANCE OF WOOD: Color, light or dark brown, the thick sap-wood lighter, often nearly white; ring-porous; rings marked by many large open ducts; grain, straight; rays, small and insignificant.

PHYSICAL QUALITIES: Very heavy (4th in this list); 56 lbs. per cu.

ft.; sp. gr., 0.8217; very strong (15th in this list); elastic (27th in this list); very hard (2d in this list); shrinkage, 10 per cent.; warps ..........; hard to work; splits with difficulty, hard to drive nails into.

COMMON USES: Agricultural implements, wheels, runners, tool handles.

REMARKS: Wood not distinguished from sh.e.l.lbark hickory in commerce.

[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.]

34

BLUE BEECH. HORNBEAM. WATER BEECH. IRON-WOOD.

Blue refers to color of bark; the trunk resembles beech; horn refers to h.o.r.n.y texture of wood.

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