Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Sloe or blackthorn (Prunus spinosa L.): flowering stem with separate fruit and segments of flower and fruit, also a description of the plant and its uses. Coloured line engraving by C.H.Hemerich, c.1759, after T.Sheldrake. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.