This section is from the book "A Text Book Of Materia Medica, Being An Account Of The More Important Crude Drugs Of Vegetable And Animal Origin", by Henry G. Greenish. Also available from Amazon: A Text Book of Materia Medica : Being an Account of the More Important Crude Drugs of Vegetable and Animal Origin.
Oliver bark is the dried bark of Cinnamomum Oliveri, Bailey (N.O. Laurineoe), a tree indigenous to New South Wales and Queensland.
Flat strips about 20 cm. long, 4 cm. wide and 1 cm. thick; outer surface brownish with patches of whitish cork, very coarsely granular or warty; inner surface umber brown, finely striated, satiny. Fracture short, somewhat fibrous. Section exhibits a somewhat thick periderm, often separated from the inner part of the secondary bast by a paler line of cork cells. Odour aromatic, recalling that of sassafras; taste aromatic bitter and camphoraceous.
The chief constituent is a yellow, volatile oil containing safrol, eugenol, cineol and cinnamic aldehyde; the bark also contains tannin.
As a substitute for cinnamon.
Fig. 136. - Greenheart bark, showing short fracture. Natural size.