Eucalyptus (u-kal-ip'tus). 1

The Australian gum tree. The trees have been employed to drain marshy soil, because of the large amounts of water taken upward by their roots and evaporated from their leaves. 2. Of the U. S. Ph., the leaves of E. globulus. E. globulus. Blue gum tree. The leaves [U. S. Ph.] contain an e ential oil. See oil of e. e. gum. Red gum, Australian kino; a gum collected from incisions made into the trunk of several species of E. See e. gummi. e. gummi. A ruby-colored exudation (so-called red gum) from the bark of E. rostrata. extractum eucalypti fluidum. Fluidextract of the leaves of E. globulus [U. S. Ph.]. oil of e. An e ential oil obtained by distilling the leaves of various species of E. It should contain at least 50 per cent, of cineol (eucolyptol) [U. S. Ph., Br. Ph.]. oleum eucalypti. See oil of e. [U. S. Ph., Br. Ph.]. [Gr., eu, well, + kalyptein, to cover.]