B. P., not official. - The concrete oleo-resin scraped off the trunks of Pinus taeda, Frankincense Pine, and Pinus australis, the Swamp Pine (nat. ord. Coniferae).

Habitat

Southern United States.

Characters

When fresh it is a soft, yellow, opaque, tough, solid, becoming darker, dry and brittle by keeping. Odor and taste as of other Turpentines.

Uses of Frankincense.

Frankincense is used for the same purposes as resin (see p. 523).