The Collaborative International Dictionary of English v.0.48:

Delphinic \Del*phin"ic\, a. [From NL. Delphinium, the name of
   the genus.] (Chem.)
   Pertaining to, or derived from, the larkspur; specifically,
   relating to the stavesacre (Delphinium staphisagria).
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Delphinine \Del"phi*nine\ (?; 104), n. [Cf. F. delphinine.]
   (Chem.)
   A poisonous alkaloid extracted from the stavesacre
   (Delphinium staphisagria), as a colorless amorphous powder.
   [1913 Webster]