This section is from the book "Who's Who Among The Wild Flowers", by W. I. Beecroft. Also available from Amazon: A Field Guide to Edible Wild Plants.
Hedge Pink: Bruisewort: Old Maid's Pink: Fuller's Herb. Saponaria officinalis.
Pink Family. June - Sept.
A plant 1 - 2 feet high, found in roadsides, waste places. Adventive from Europe. Common, escaped from gardens.
Magenta-pink to white, divisions 5, but often double, borne in terminal clusters.
Opposite, toothless, 3 - 5-ribbed. Plant stem stout, thick jointed.

Bouncing Bet.
 
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