Nat. ord., Araceae.
An American plant very similar to Arum maculatum.
An account of this is given in Hale's New Remedies, and there is a proving in Lippe's Text Book.
Part employed. - The fresh root.
Preparation. - Dr. Hale recommends a rapid trituration of the expressed juice of the freshly-gathered root with 10 parts of sugar of milk, and to be preserved in hermetically-sealed bottles, guarded from light and heat. The active principle is very volatile.