The Grey Iris (1923) by Charles Rennie Mackintosh 1868 - 1928
pencil and watercolor
Ernst Ludwig Creite
[Iris]
Etching from “Dritter Teil des Blumen Schatzes”, 1700 - 1750
“Iris” by George Lawrence Bulleid [English Painter, 1858-1933]
via http://polarbearstale.blogspot.com/2010/05/george-lawrence-bulleid-1858-1933.html