Family, Parsley. This may be known by its purple - streaked stem. It is a large, coarse plant, with white flowers in large umbels. It grows from 2 to 6 feet high. The lower leaves have long stems. They are twice or thrice pinnate, coarsely serrate, heavily veined. August.
The root is a deadly poison, perhaps making it the most dangerous of our native plants. It has been eaten for sweet cicely with fatal consequences.
C. bulbifera. - A smaller and slenderer species, 1 to 3 feet high, with leaflets less deeply toothed, and small bulblets growing in clusters upon its upper axils. Leaves, 2 to 3-pinnate. July to September.
Common in swamps and wet grounds as far south as Maryland.