1. Hydras: a proven formula, combining cramp bark, helonias root, hydrastis, scutellaria, dogwood and aromatics ; Elixir catnep and fennel : carminative, antacid absolutely free from all anodynes and opiates Author(s): John Wyeth & Brother, author. Publication: [Philadelphia, Pa.?] : [John Wyeth & Brother?], [between 1899 and 1920] Subject(s): Nonprescription DrugsAntifoaming Agents