Pennywort

Chambers's Encyclopaedia, Volume 8: Peasant to Eoumelia, p. 32

Pennywort, a trailing herb (Linaria cymbalaria), with roundish reniform leaves, often cultivated in hanging-baskets. Marsh or Water Pennywort is a name used for any species of the umbelliferous genus Hydrocotyle, low herbs with roundish leaves, growing in marshy places.

Source scan(s): p. 0041