Irises along the embankment, West Potomac Park, Washington, D.C., 1921, a hand-colored glass lantern slide by Frances Benjamin Johnston, via Library of Congress Prints and Photographs Division.
Therefore, on every morrow, are we wreathing
A flowery band to bind us to the earth. . .–John Keats, from “A Thing of Beauty“
enclos*ure 
Amazing – and taken in 1921!
How lovely!