The chemical composition of the essential oil from air-dried leaves of Eremanthus erythropappus was studied. The main compounds were beta-pinene (23.24%), beta-caryophyllene (22.92%), beta-myrcene (10.03%) and germacrene D (9.40%). The essential oil had an LD50 of 2.90 g kg(-1) in mice. Doses of 200