eucalyptol

[Eng., ., eucalypt ( us ), and Lat. ol ( eum )=oil.] Chem.: A volatile oil obtained from Eucalyptus globulus. It contains seventy per cent. of eucalypt ene and thirty per cent of cymene. eu-ca-lyp-tus, s. [Mod. Lat., from Gr eu= well, and kalypto =to cover.] Bot.: A genus of plants belonging to the order Myrtaceæ, or Myrtle blooms. Eucalyptus globulus is the blue-gum tree of Tasmania. The leaves nare IMG:content-1166.jpg:[graphic] inches long by an inch wide, and are oddly twisted, exhaling a strange camphor-like odor. The flowers small and inodor ous. It is an evergreen tree, remarkable for its rapid growth. It reaches the extraordinary maximum height of 300 feet, with a circumference of from thirty to fifty. The timber is hard, easily worked, and very serviceable for keels of ve els, bridges, or for any purpose requiring durability. The tree supplies a medicinal preparation efficacious in throat affections and in intermittent fever. It has also a wonderful power of destroying malaria. It has been introduced into California. Eucalyptus Globulus. It has since been planted in the South of Europe and in North and South Africa. Eucalyptus resin ifera furnishes a kind of gum kino, occasionally sold as an astringent medicine and used in cases of mucous discharges as leucorrhœa, gonorrhœa, ., in this country and by the natives of India. E. res in if era in the dry season exudes a saccharine mucous substance like manna, but le nauseous; so do other species. E. robusta has large cavities in the stem between the concentric zones of annual growth; these are filled with a rich vermilion colored gum. When E. gunnii . the Tasmanian cider-tree, is wounded, there comes forth in a copious stream a cool, refreshing, slightly aperient liquid, which on fermentation becomes beer. Various species of Eucalypti furnish tannin; many yield good timber. ( Lindley , .)