Using my knife, I discovered that the light proceeded from that portion of the sapwood immediately under the bark, and thus presented a regular ring at the end, and when I pared off the bark and cut into the sap, it was all aglow along the log.
"Canoeing in the wilderness"
Henry David Thoreau
The fire had run up inside, as in a chimney, leaving the sapwood.
"Canoeing in the wilderness"
Henry David Thoreau
Fifty years ago it was the cheapest New England wood, today it is the highest-priced, and the old-time clear pine, free from knots and sapwood is almost impossible to obtain at any price.
"Old Plymouth Trails"
Winthrop Packard