Atropa belladonna - Deadly nightshade
"CONSTITUENTS: Atropine, Atropamine, Belladonine, Atrosin, Hyoscyamine, Cholin, Asparagin, Chrysatropic and Succinic Acids. PREPARATIONS: Atropine Sulphae, Atropine Sulphate. Dose: 1-120 to 1-60 of a grain. Extractum Belladonnae Foliorum Alcoholicum, Alcoholic Extract of Belladonna Leaves. Dose: one quarter to one-half of a grain. Tinctura Belladonnae Foliorum, Tincture of Belladonna Leaves. Dose: from one to thirty minims. Extractum Belladonnae Radicis Fluidum, Fluid Extract of Belladonna Root. Dose: from one to five minims. Specific Medicine Belladonna. Dose: from one-twentieth to one minim.
Therapy: Belladonna is indicated at the onset of inflammatory conditions. Given early with aconite, when fever alone is present, hyperemia does not occur and the inflammation is aborted. If the disease is localized in any organ, displaying the phenomena named above, its influence often is quickly apparent."
(Finley Ellingwood: The American Materia Medica, Therapeutics and Pharmacognosy, 1915)