The leaves of Eucalyptus globulus, collected from rather old trees.

Characters. - Petiolate, lanceolately scythe-shaped, from six to twelve inches (fifteen to thirty centimetres) long, rounded below, tapering above, entire, leathery, grey green, glandular, feather-veined between the midrib and marginal veins; odour strongly camphoraceous, taste pungently aromatic, somewhat bitter and astringent.

Composition. - Eucalyptol, resin, tannin, etc.

Preparations.

dose.

Extractum Eucalypti Fluidum ....................................

5-15 min.

Oleum Eucalypti ...............................................

.2-5 drops.