From The Wing Seed Co. catalog for 1920: “A delicately beautiful Iris of quaint coloring, distinct in form and marking. Standards and falls same size and shape, small and oval, which with the spreading standards give a lily-like effect. S. very pure silvery light bluish-lavender, delicately traced deeper; F. a deeper and warmer shade, delicately netted on white, passing to velvety warm lavender at base; throat tigered dusky purple.”
HC RHS 1916.
Note: While this cultivar was actually superseded in the Check List by a 1902 W1L DB by Caparne, nice to know the original is still with us.