The Collaborative International Dictionary of English v.0.48:

Bohea \Bo*hea"\, n. [From Wu-i, pronounced by the Chinese bu-i,
   the name of the hills where this kind of tea is grown.]
   Bohea tea, an inferior kind of black tea. See under Tea.
   [1913 Webster]

   Note: The name was formerly applied to superior kinds of
         black tea, or to black tea in general.
         [1913 Webster]