Morning glory (Ipomoea purpurea (L.) Roth.): flowering stem with separate floral segments and a description of the plant and its medicinal uses. Coloured line engraving by C.H. Hemerich, c.1759, after T. Sheldrake.
Sheldrake, Timothy, active 1740-1770. | Date: [1759] | Reference: 18205i