powdered form; powdered gum, one part; made into a lozenge mass with
vinegar of squills, oxymel of squills, and ipecacuanha wine, equal
parts, gently evaporated to one-sixth their weight with the addition of
lactucarium in proportion of twenty to thirty grains to every ounce of
the powders, the mass being divided into half-inch squares weighing
about seven and one-half grains.