A page from a Greek edition of De Materia Medica written and illuminated in Constantinople in the ninth century shows carawy and nut grass.
Photo Courtesy The Pierpont Morgan Library/Art Resource, New York
This Greek De Materia Medica manuscript, called the Codex Neapolitanus, was produced in the seventh century. The page shows lady’s bedstraw, cranesbill, and geranium.
Photo Courtesy Biblioteca Nazionale, Naples, Italy