lletin No. 10.

STANDARD DRY KILN COMPANY, Indianapolis, Ind.

STURTEVANT COMPANY, B. F., Boston, Mass.

TIEMAN, H. D., "The Effects of Moisture upon the Strength and
Stiffness of Wood," The United States Dept. of Agriculture,
Division of Forestry, Bulletin No. 70.

TIEMAN, H. D., "Principles of Kiln-drying Lumber," The United
States Dept. of Agriculture, Division of Forestry.

TIEMAN, H. D., "The Theory of Drying and its Application, etc.,"
The United States Dept. of Agriculture, Division of Forestry,
Bulletin No. 509.

THE UNITED STATES DEPT. OF AGRICULTURE, DIVISION OF FORESTRY,
"Check List of the Forest Trees of the United States."

THE UNITED STATES DEPT. OF AGRICULTURE, DIVISION OF
FORESTRY, Bulletin No. 37.

VON SCHRENK, HERMAN, "Seasoning of Timbers," The United
States Dept. of Agriculture, Division of Forestry, Bulletin
No. 41.

WAGNER, J. B., "Cooperage," 1910.

GLOSSARY

=Abnormal.= Differing from the usual structure.

=Acuminate.= Tapering at the end.

=Adhesion.= The union of members of different floral whorls.

=Air-seasoning.= The drying of wood in the open air.

=Albumen.= A name applied to the food store laid up outside the
embryo in many seeds; also nitrogenous organic matter found in plants.

=Alburnam.= Sapwood.

=Angiosperms.= Those plants which bear their seeds within a
pericarp.

=Annual rings.= The layers of wood which are added annually to
the tree.

=Apartment kiln.= A drying arrangement of one or more rooms
with openings at each end.

=Arborescent.= A tree in size and habit of growth.

=Baffle plate.= An obstruction to deflect air or other currents.

=Bastard cut.= Tangential cut. Wood of inferior cut.

=Berry.= A fruit whose entire pericarp is succulent.

=Blower kiln.= A drying arrangement in which the air is blown
through heating coils into the drying room.

=Box kiln.= A small square heating room with openings in one end
only.

=Brittleness.= Aptness to break; not tough; fragility.

=Burrow.= A shelter; insect's hole in the wood.

=Calorie.= Unit of heat; amount of heat which raises the
temperature.

=Calyx.= The outer whorl of floral envelopes.

=Capillary.= A tube or vessel extremely fine or minute.

=Case-harden.= A condition in which the pores of the wood are
closed and the outer surface dry, while the inner portion is
still wet or unseasoned.

=Cavity.= A hollow place; a hollow.

=Cell.= One of