The root of Atropa Belladonna Linne (nat. ord. Solanacece).


Central and Southern Europe, in woods.


In cylindrical, somewhat tapering, longitudinally wrinkled pieces, 10 to 25 mm. or more in thickness; externally brownish-gray, internally whitish; fracture nearly smooth and mealy, not radiating or showing medullary rays in the thicker roots, only in the layer near the bark; nearly inodorous; taste sweetish, afterwards bitterish and strongly acrid.


As of the leaves. Usually contains 0.2 to 0.6 per cent. of alkaloids.


1. Extractum Belladonnae Radicis Fluidum. - Fluid Extract of Belladonna Root. By percolation with Alcohol and Water, and evaporation.

Dose, 1 to 3 m.; .06 to .20 c.c.

2. Linimentum Belladonnae. - Belladonna Liniment. Fluid Extract of Belladonna Root, 950; Camphor, 50.