This volume is an introduction to the science of phytotherapy, or plant medicine, an important clinical and preventive art. The largest section of the book concerns the pharmacology of phytotherapy as described by organ, function, or system, and includes digestive, cardiovascular, respiratory, urinary, nervous, and gynecological conditions; rheumatic, metabolic, endocrinal, and dermal disorders; eye diseases, wounds, and other injuries. For each herb, the information given includes historical application; botanical nomenclature, habitat, and description; dose; actions; chemical structure and components; formulation; administration; and prescription.