Flowers; small; growing in loose umbellate clusters. Calyx: of two sepals that fall early. Corolla: of four spreading petals. Stamens: numerous. Pistil: one; stigma, two-lobed. Leaves: pinnately divided into lobed and toothed segments; hairy. Stem: erect; branching; hairy. Juice: acrid; poisonous.
In dry soil, especially about gardens, we find the bright flowers of this plant. It has come to us from Europe, and its juice has quite a reputation for curing diseases of the eyes, also warts and jaundice.