Hyacinths, from "The Temple of Flora, or Garden of Nature" by Robert John Thornton, Thomas Warner (engraver), After Sydenham… https://www.rawpixel.com/image/9086060/image-coastal-robert-john-thornton-sydenham-edwardsFree Image from public domain licenseTen different forms of plant stem and two anatomical sections. Coloured etching by J. Pass, c. 1799. https://www.rawpixel.com/image/13958386/image-flower-plant-artFree Image from public domain license