Uncrystallised aconitia is sometimes contaminated with delphinia, as well as with aconella, another constituent of aconite root.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
The sending of the maidens to propitiate the god during the Delphinia commemorates this event in the life of Theseus.