EditorialCalabar bean or ordeal bean, Physostigma venenosum. Handcoloured copperplate engraving from Dr. Willibald Artus' Hand-Atlas sammtlicher mediinisch-pharmaceutischer Gewachse, (Handbook of all medical-pharmaceutical plants), Jena, 1876.
EditorialCalabar bean or ordeal bean, Physostigma venenosum. Handcoloured copperplate engraving from Dr. Willibald Artus' Hand-Atlas sammtlicher mediinisch-pharmaceutischer Gewachse, (Handbook of all medical-pharmaceutical plants), Jena, 1876.
EditorialCalabar bean or ordeal bean, Physostigma venenosum. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880.
EditorialCalabar bean or ordeal bean, Physostigma venenosum. Chromolithograph after a botanical illustration from Hermann Adolph Koehler's Medicinal Plants, edited by Gustav Pabst, Koehler, Germany, 1887.