Epigaea, Trailing Arbutus. The action is similar to uva ursi; chronic cystitis, dysuria, vesicre tenesmus, conditions due to uric acid and accompanied with mucopus, are benefited by this agent. F.e., 30 to. 60 I; ec. tr., 10 to 30 I. An infusion of the leaves is very prompt and satisfactory in action.