Scammonium, Illustration of a plant called Scammonium from the 16th century, Fig. 199, p. 211r, 1561, Valerius Cordus, Konrad Gessner, Benedictus Aretius, Pedanius Dioscorides: In hoc volumine continentur Valerii Cordi Simesusii annotationes in Pedac