This section is from the book "Harper's Guide To Wild Flowers", by Caroline A. Creevey. Also available from Amazon: Harper's Guide To Wild Flowers.
Family, Parsley. Color, greenish white. Leaves, large, twice or thrice ternately divided. Leaflets very sharply serrate. Easily known by its stout, dark purple stem. 4 to 6 feet tall. June and July.
Although coarse and large, this plant possesses a certain virile attractiveness. River-banks, brooks, in the Northern States.
 
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