This section is from the book "A Guide To The Wild Flowers", by Alice Lounsberry. Also available from Amazon: A Guide to the Wild Flowers.
Parsley.
White.
Scentless.
Mostly north, west and south.
All summer.
Flowers: small; numerous; growing in umbels. Leaves: alternate; pinnate; with many pairs of linear, or lanceolate leaflets that are sharply serrate. Roots'. dwindled, acrid and poisonous.
This wild plant is commonly found in shallow water. To know it is to avoid it, as it is also a very poisonous member of the family.
 
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