Doctrine of signatures: (above) a plant (buglossa, borage) with leaves resembling a bull's ear, and (below) a bull's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.
- Porta, Giambattista della, approximately 1535-1615.
- Date:
- 1906
- Reference:
- 524729i
Licence: In copyright
Credit: Doctrine of signatures: (above) a plant (buglossa, borage) with leaves resembling a bull's ear, and (below) a bull's head. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta. Wellcome Collection. Source: Wellcome Collection.