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. Small flowers in irregular or compound umbels, a few staminate, without pistils. Fruit, roundish, composed of several prickly carpels. Leaves, palmately, 5 to 7-parted, the divisions toothed, pointed. Root-leaves long-stalked. May to July.
A difficult plant to identify, having but little external appearance of a parsley, the small flowers and prickly fruit making it puzzling. Eastern States to the Rocky Mountains.
 
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