Chemistry of Essential Oils

42 THE CHEMISTEY OF ESSENTIAL OILS

OILS OF ARAUCARIA CUNNINGHAMII.
This Australian tree, known as the Moreton Bay Pine, is found in
New South Wales and Queensland. Its leaves yield a very small quan-
tity of essential oil (O005 per cent.) having the following characters :—

Specific gravity ar, 21°

Refractive index at 21°

Saponification value

0-8974

1-4U77

4.4

FIGL 6.—Araucaria Cunninghamii. Fasciation at top of a tree under cultivation at

Beecroft, New South Wales. (A rare instance of teratology.)

The Pines of Australia]. [Baker and Smith^