The Working of Herbs Groundsel (Senecio vulgaris). Credit: Wikimedia Commons. This eight-part series from herbalist and historian Anne Stobart considers the complicated question: did herbs work? Did Herbal Recipe Ingredients Really Work? Take One Herbal Recipe Herb Qualities and Indications The Herb Monograph Medicinal Herb Constituents and Actions Herb Actions and the Importance of Family Preparing Herbs Together in a Recipe A Protocol for Evaluating Herbal Efficacy