This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
(not official) - A concrete resinous exudation, probably from Canarium commune (nat. ord. Bursaraceae).
The chief constituents are - (1) Resinous bodies, 80 per cent. (2) A volatile oil.
Elemi acts like volatile oils generally, but is only used as a stimulating disinfectant ointment which was formerly official in B. P. as elemi, 1; ointment, 4.