Lily-of-the-valley (Convallaria majalis): flowering stem with leaves and separate roots. Partially coloured lithograph by F. Waller, c. 1863, after C. Gower.

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Lily-of-the-valley (Convallaria majalis): flowering stem with leaves and separate roots. Partially coloured lithograph by F. Waller, c. 1863, after C. Gower. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.