Bluebeard (Salvia viridis L.): two entire flowering stems numbered 1 and 2, with separate segments of flower, fruit and seeds. Coloured etching by M. Bouchard, 1775.

Licence: Public Domain Mark

Credit: Bluebeard (Salvia viridis L.): two entire flowering stems numbered 1 and 2, with separate segments of flower, fruit and seeds. Coloured etching by M. Bouchard, 1775. Wellcome Collection. Source: Wellcome Collection.