Contractions. - Mercurial. Mrl.

Mercurialis perennis. Nat. ord., Euphorbiaceae.

Fig. - Eng. Bot., t. 1872.

Dog Mercury. For. names: German, Ausdauerndes Bingelkraut, Speck-melde.

Habitat. - Woods and shady places throughout Europe and Russian Asia. Abundant in England and Scotland; very rare in Ireland.

Flowering time. - Early spring.

Parts employed. - The entire fresh plant.

Characters. - Root-stock slender and creeping. Stem erect, simple, 6 to 8 inches high. Leaves rather crowded in the upper part, ovate-lanceolate, 2 to 5 inches long, usually pointed and serrated and rough, or shortly hairy. Flowers dioecious, on slender axillary peduncles nearly as long as the leaves; the males in little clusters, the females singly or two together. Ovaries larger than the perianth, with rather long spreading styles. Capsules more or less covered with warts or soft prickles.

Time for collecting. - When in flower and fruit.

Preparation. - Tincture, corresponding in alcoholic strength with proof spirit.

Reference to Hom. Proving. - N. Arch., i.

Proper forms for dispensing. - φ and lx, Tincture only. 1 and upwards, Tincture, Pilules, or Globules.