Contraction. - Tam.
Tamus communis. Nat. ord., Dioscoreaceae.
Fig. - Eng. Bot., t. 91.
Habitat. - Hedges and open woods and bushy places in West Central and Southern Europe, extending to the Caucasus. Common in England,
Flowering time. - Spring and early summer.
Part employed. - The fresh root-stock.
Characters. - An elegant climber, extending a considerable distance over hedges and bushes; easily known by its bright shining heart-shaped leaves, with a tapering point, sometimes almost 3-lobed, but otherwise entire. Flowers small, of a yellowish-green. Berries scarlet, often very numerous. Root-stock large and fleshy, having a greasy appearance internally, and of a light colour; externally of a dark brown, giving out numerous fibres.
Preparation. - Tincture, corresponding in alcoholic strength with proof spirit.
Average loss of moisture, 76 per cent.
This has not been proved, and hitherto has only been used as an outward application.