A slipper flower (Calceolaria diffusa): flowering stem. Coloured engraving by S. Watts, c. 1830, after M. Hart.

    • Hart, M., active 1820-1840.
    Date:
    1 December 1830
    Reference:
    25894i

    Licence: Public Domain Mark

    Credit: A slipper flower (Calceolaria diffusa): flowering stem. Coloured engraving by S. Watts, c. 1830, after M. Hart. Wellcome Collection. Source: Wellcome Collection.

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