It has been artificially prepared from coniferin, a substance found in the sap-wood of fir-trees, and from asafoetida. |
The wood of red pine is pale red, light in weight, close-grained with yellowish or nearly white sap-wood. |
The wood of the madrone is hard and close-grained, of a light brown, shaded with red, with lighter-colored sap-wood. |