Contractions. - Bell. Bel.
Atropa Belladonna. Nat. ord., Atropaceae.
Synonym. - Solanum maniacum.
Fig. - Flora Hom., pl. 9.
Deadly Nightshade, Common Dwale. For. names: German, Tollkirsche; French, Belladonne; Italian, Belladonna; Spanish, Belladona.
Habitat. - "Waste stony places in Southern Europe and West Central Asia. South of England, about old castles and ruins.
Flowering time. - Summer.
Parts employed. - The entire plant.
Characters. - An erect, glabrous, or slightly downy herb, with perennial root and brandling stem. Leaves stalked, rather large, ovate, and entire, with a smaller one usually proceeding from the same point. Flowers solitary, on short peduncles in the forks of the stem or axils of the leaves. Corolla bell-shaped, pale purplish-blue, nearly 1 inch long, with five broad short lobes. Fruit a black, shining, globular berry.
Time for collecting. - When in full flower.
Preparation. - Tincture, corresponding in alcoholic strength with dilute spirit.
Reference to Hom. Proving. - R. A. M. L., i.
Proper forms for dispensing. - φ to 1, Tincture only. 3x and upwards, Tincture, Pilules, or Globules.
Average loss of moisture, 88 per cent.; in making the lx attenuation, it will therefore be necessary to use about 1 1/2 measure of the mother tincture to 8 1/2 measures of dilute alcohol.