- Wood Betony – Betonica officinalis – (Common Betony) – Usage – Antonius Musa, the Emperor Augustus’s physician, said that the herb “preserved the liver and body of man from the danger of epidemical problems, and also from witchcraft.” He also claimed that it supported symptoms of forty-seven different concerns. – Betony has a root with a disagreeable taste, emetic and purgative in a dose of 2-4 grams in 190-250 grams of a suitable vehicle. This plant, the Ancients advise great caution in its u