Stock Photo: Crown imperial flower, Fritillaria imperialis, in wallpaper and fabric patterns, and as design for a steel art object. Lithograph by J. Milesi with pochoir (stencil) handcoloring from Eugene Grasset's “Plants and their Application to Ornament,” Paris, 1897. Grasset (1841-1917) was a Swiss artist whose innovative designs inspired the “art nouveau” movement at the end of the 19th century.