“Women and a child in a garden,” Tarn-et-Garonne, France, between 1880 and 1910, by Eugène Trutat, via Bibliothèque de Toulouse Commons on flickr.
Is the lady with the garden hose threatening the little girl with a shower if she doesn’t sit still for the photographer? An empty threat, almost certainly, since water would ruin those hats. (The young woman in the center does seem to be shrinking back a bit though.)