Illustrations of the Britisch Flora (1924)

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Waterwort, Eight-stamened Elatine hydropiper Eight-stamened Waterwort High resolution image	Aaron's Beard; Rose of Sharon Hypericum calycinum Aaron's Beard, Rose of Sharon High resolution image	Tutsan Hypericum androsaemum Tutsan High resolution image
St. John's-wort, Common Hypericum perforatum Common St. John's-wort High resolution image	St. John's-wort, Imperforate Hypericum maculatum; Hypericum dubium Imperforate St. John's-wort High resolution image	St. John's-wort, Square-stalked Hypericum quadrangulum Square-stalked St. John's-wort High resolution image