Family, Crowfoot. Color, pale greenish yellow. Sepals, 5 or 6, petal-like, of a pale greenish yellow, giving the color to the flower. Petals, small, numerous, shorter than the many stamens, indented near the base. Fruit, several sessile, many - seeded pods. Flowers, single, terminal, about 2 inches across, open, spreading. Leaves, alternate, palmately divided, the lower on long petioles, those nearest the flower sessile, the divisions much cut and toothed.