Medullary rays are irregular, some being thin as those of sweet birch, while others are as broad as rays of chestnut oak.
The sweet birch is tapped like sugar maple, but not for the same purpose or to the same extent—only an occasional tree.
The wood of sweet birch had few uses in early times, except fuel.
sweet birch is largely employed for various parts of vehicle manufacture, particularly for wagon hubs and frames of automobiles.
Sap is characterized in sugar maple, sweet gum, balsam fir, and sweet birch.
The trunk of yellow birch averages a little smaller than that of sweet birch, but may equal it in some instances.
sweet birch is finished to look like cherry, and for that reason is sometimes known as cherry birch.
It is also called “sweet birch,” because its young twigs, when crushed, give out a pleasant aromatic odour.
The black or sweet birch (Betula lenta) has a bark similar to the gray birch, except that its color is dark gray.