The milky juice of the Euphorbia hypericifolia (and other small prostrate Euphorbias) is thought to be a sure cure for warts.
Northern Ohio.

The milky juice of the Euphorbia hypericifolia (and other small prostrate Euphorbias) is thought to be a sure cure for warts.
Source: Current Superstitions (1896), entry 892.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.