Dutchman’s breeches (Dicentra cucullaria) is a plant in the family Fumariaceae. It is native to the woods of North America, where it is one of the popular spring species, although its growing season is short. It derives its name from its distinctive white flowers, which grow in pendulous racemes rising from the bulb.
The caption reads in the original French:
Culotte de Hollandais (Dicentra cucullaria).