ArtworkA blessed thistle (Cnicus palustris) with an associated insect and its anatomical segments. Coloured etching, c. 1830.Sign in to saveJ. Curtis — 1 June 1830 — 1 print : etching, with watercolour ; platemark 20.3 x 11.7 cmArtwork · Wellcome Collection1 print : etching, with watercolour ; platemark 20.3 x 11.7 cmArtistJ. CurtisDate1 June 1830Medium1 print : etching, with watercolour ; platemark 20.3 x 11.7 cmView at Wellcome Collection · Open Access