Eucalyptus Kino. Bed Gum. Botany Bay Gum. Victoria.

"A ruby-coloured exudation." - 1890. Add. to B. P. 80 per cent, soluble in cold water, almost entirely so in alcohol.

Powerful astringent, more demulcent than Kino or Catechu, as a gargle for sore throats and in chronic dysentery. Dose, gum, 2 to 10 grains; tincture, 1/2 to 1 drachm; fluid extract, 10 to 60 drops. Syrup (1 in 3) 10 to 50 drops frequently. [Black boy gum, reddish and slightly aromatic, used as an application to wounds, is produced by Xanthorrhoea hastilis: Gum Accroides, or Botany Bay resin, used in lacquering metals, by X. arborea, both " grass trees," N. 0. Liliaceae.]

The following species of Eucalypti are said to satisfy the B. P. tests: - E. Amygdalina, E. Eugenioides, E. Piperita, and seven others, making a clear ruby solution in water; not friable, but in angular pieces. E. Rostrata, E. Corymbosa, E. Odorata, and seven others, making a turbid solution in water, but clear on boiling; more or less friable. - Ph. Journ. xx., p. 231-323.