The Old Vegetable Neurotics Author:John Harley Subtitle: Hemlock, Opium, Belladonna and Henbane; Their Physiological Action and Therapeutical Use, Alone and in Combination; Being the Gulstonian Lectures of 1868, Extended and Including a Complete Examination of the Active Constituents of Opium General Books publication date: 2009 Original publication date: 1869 Original Publisher: Macmilla... more »n Subjects: Conium Opium Belladonna Hyoscyamus niger Therapeutics Health« less