Officinal Plants Series 28:

Marjoram ("Origanum majorana"), 14th century, Italy

Illumination by Giovannino and Salomone de’ Grassi from [Ibn Butlan], "Historia Plantarum", MS 459, f. clvii, Casanatense Library, Rome.

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Officinal Plants Series 26:

Harvesting Medicinal Herbs, Germany 13th century

from "Herbal", Codex 204, f.1v, Eton College Library, Eton.

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Officinal Plants Series 25:

"Herba Bistorta"('Bistorta Officinalis'), Italy 15th century

MS Ashburnham 731, f. 74v, Biblioteca Medicea Laurenziana, Florence.

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