Contractions. - Rhod. Rho.

Rhododendron chrysanthum. Nat. ord., Ericaceae.

Synonym. - R. officinale.

Fig. - Woody. Med. Bot., t. 149.

Golden-flowered Rhododendron.

Habitat. - The highest mountains of Siberia and the Caucasus, also in Kamtschatka.

Parts employed. - Dried leaves and flower-buds.

Characters. - The leaves are 2 to 3 inches long, short petio-late, obovate, above smooth, yellowish-green or else nut-brown. At the margin a little revolute, and leather-like along with the red-brown woolly flower-buds. They smell slightly like rhubarb, and have an astringent taste. They may be mistaken for the leaves of Rhododendron ferrugineum, but these are easily distinguished by the dark, rust-coloured cover of the under-side.

Time for collecting. - When the flower-buds are well developed but not opened.

Preparation. - Tincture, using proof spirit.

Reference to Horn. Proving. - Stapf's Beitr.

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