Hyssop (Hyssopus lopanthus). Coloured engraving after F. von Scheidl, 1772. https://www.rawpixel.com/image/13957180/hyssop-hyssopus-lopanthus-coloured-engraving-after-von-scheidl-1772Free Image from public domain licenseHyssop (Hyssopus nepetoides): flowering stem with separate floral segments. Coloured engraving after F. von Scheidl, 1770. https://www.rawpixel.com/image/13966109/image-plant-grass-medicineFree Image from public domain licenseHyssop (Hyssopus officinalis) (c. 1575 - c. 1599) by anonymous https://www.rawpixel.com/image/13793862/hyssop-hyssopus-officinalis-c-1575-1599-anonymousFree Image from public domain license