Medicinal herbs have a thousand-year history that is often lost between myth and legend. Since ancient times, the discovery of the medicinal properties of herbs and plants has prompted man to form catalogs in which they were described and illustrated in great detail, to allow identification and to recommend their use. True treasures for bibliophiles, ancient herbaria are jealously guarded by lucky collectors or in library archives. This selection, from the Library of the Natural History Museum in Paris, faithfully reproduces the splendid illustrations of the most important species and deals with their general properties and how to use them to prevent or mitigate minor discomforts and improve both their physical health and their condition. of spirit.