Contraction. - Led.

Ledum palustre. Nat. ord., Ericaceae.

Synonyms. - Rorismarinum sylvestre, Ledum Sile-siacum.

Fig. - Flora Horn., pl. 40.

Silesian Rosemary. Marsh Ledum, Marsh Tea. For. names: German, Wilder Rosmarin, Sumpfporst, Porsch; French, Romarin sauvage; Italian, Ledo; Spanish, Ledo.

Habitat. - Moist swampy ground in North of Europe, France, Asia, and America.

Flowering time. - April to July.

Parts employed. - The small twigs and leaves.

Characters. - A small evergreen shrub. Stem shrubby, erect, slender, much branched, young branches covered with close rust-coloured down. Leaves scattered, horizontal or reflexed, on short petioles, strap-shaped, quite entire, with revolute margins, channelled, smooth; upper surface dark green, under surface paler, and the mid-rib covered with rust-coloured down. Flowers numerous, in dense, simple, terminal, bracteated corymbs. The whole plant, when bruised, has a strong, oppressive, aromatic smell, and a bitter, astringent, nauseous taste.

Time for collecting. - Soon after flowering begins.

Preparation. - Tincture, using rectified spirit.

Reference to Horn. Proving. - R. A. M. L., iv.

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