Arrowhead, Sagittaria sagittifolia, as a design motif in embroidery, stained glass and fabric patterns. Lithograph by Verneuil 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.