The Collaborative International Dictionary of English v.0.48:

Bugloss \Bu"gloss\, n.; pl. Buglosses. [F. buglosse, L.
   buglossa, buglossus, fr. Gr. ? oxtongue ? ox + ? tongue.]
   (Bot.)
   A plant of the genus Anchusa, and especially the Anchusa
   officinalis, sometimes called alkanet; oxtongue.
   [1913 Webster]

   Small wild bugloss, the Asperugo procumbens and the
      Lycopsis arvensis.

   Viper's bugloss, a species of Echium.
      [1913 Webster]