Soapwort; Bouncing Bet; Hedge Pink; Bruisewort; Old Maid's Pink; Fuller's Herb saponaria officinalis Flowers-Pink or whitish, fragrant, about 1 inch broad, loosely clustered at end of stem, also sparingly from axils of upper leaves.
"Wild Flowers Worth Knowing"
Neltje Blanchan et al
Another foreign plant that the Esopus Creek has distributed along its shores and carried to the Hudson is saponaria, known as "Bouncing Bet."
"A Year in the Fields"
John Burroughs
To be more specific, one plant of saponaria ocymoides will spread out over four square feet of soil, and thus fill completely a moderate-sized pocket, whereas to conceal the same amount of ground three dozen auriculas might have to be used.
"Making A Rock Garden"
Henry Sherman Adams