Nat. ord., Primulaceae.
Scarlet Pimpernel, Poor Man's Weather-glass.
Characters. - A neat, much branched, procumbent annual, 6 inches to near a foot long, with opposite, broadly ovate, sessile and entire leaves. Pedicels considerably longer than the leaves, and rolled back as the capsule ripens. Calyx divisions pointed. Corolla rotate, usually of a bright red within. Capsule opening transversely.
A proving is given in Marcy and Peters' New Mat. Med.
Part employed. - The entire fresh herb.
Preparation. - Tincture.