sap-wood

Using my knife, I discovered that the light proceeded from that portion of the sap-wood immediately under the bark, and thus presented a regular ring at the end, which, indeed, appeared raised above the level of the wood, and when I pared off the bark and cut into the sap, it was all aglow along the log. ...

Where is All Your Knowledge Gone To? scottedelman 2008

The bole of the trunk was 20 feet in length and of nearly uniform thickness; and the proportion of heart-wood to sap-wood was about three quarters of its diameter.

Scientific American Supplement, No. 417, December 29, 1883 Various

The heart of this particular tree was on the port side, and between it and the bark there is very little sap-wood, not more than an inch.

Scientific American Supplement, No. 360, November 25, 1882 Various

In deep and damp old woods it is slower of growth; it is then almost without sap-wood and has a yellowish color like the flesh of the pumpkin.

Among the Trees at Elmridge Ella Rodman Church

On the starbord side, so to speak, the sap-wood has grown out in an abnormal manner, and one of the lines indicative of a year's growth is one and seven-eighths inches in width, the widest growth, many experts who have seen the specimen say, that was ever recorded.

Scientific American Supplement, No. 360, November 25, 1882 Various

The horizontal cut, through the sap-wood and to the center of the heart, shows the life lines of the tree, and carefully planed as are this portion, the perpendicular and the beveled sections, the grain of the wood can thus be plainly seen.

Scientific American Supplement, No. 360, November 25, 1882 Various

They used them as wedges in prying the bark loose from the sap-wood of young trees.

The Later Cave-Men Katharine Elizabeth Dopp

As is well known, the sap-wood of a tree seasons much more quickly than does the heart of the wood.

Scientific American Supplement, No. 360, November 25, 1882 Various

Nankeen -- A peculiar fabric of a pale dull yellow or orange color, woven out of the fibrous tissue which lies between the outer and sap-wood of a tree or shrub that grows in the East Indies and especially in China.

Textiles and Clothing Kate Heintz Watson

The great shrinking of the sap-wood of the persimmon tree makes the wood of but trifling value commercially.

Scientific American Supplement, No. 360, November 25, 1882 Various