Two trees, beech (Fagus) and elm (Ulmus), with details of form. Watercolour by P. Lewis.

    • Lewis, P.
    Reference:
    22239i

    Licence: Public Domain Mark

    Credit: Two trees, beech (Fagus) and elm (Ulmus), with details of form. Watercolour by P. Lewis. Wellcome Collection. Source: Wellcome Collection.

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