The Collaborative International Dictionary of English v.0.48:

Veratric \Ve*ra"tric\, a. (Chem.)
   Pertaining to, or derived from, plants of the genus Veratrum.
   [1913 Webster]

   Veratric acid (Chem.), an acid occurring, together with
      veratrine, in the root of white hellebore (Veratrum
      album), and in sabadilla seed; -- extracted as a white
      crystalline substance which is related to protocatechuic
      acid.
      [1913 Webster]