Doctrine of signatures: (above) a plant (dracunculus, tarragon) with seed-pods resembling the fangs of a snake, and (below) the head of a snake. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

    • Porta, Giambattista della, approximately 1535-1615.
    Date:
    1906
    Reference:
    525029i

    Licence: In copyright

    Credit: Doctrine of signatures: (above) a plant (dracunculus, tarragon) with seed-pods resembling the fangs of a snake, and (below) the head of a snake. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta. Wellcome Collection. Source: Wellcome Collection.

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