The meaning of Peppergrasses and additional information.

Peppergrass(n.) Any herb of the cruciferous genus Lepidium, especially the garden peppergrass, or garden cress, Lepidium sativum; -- called also pepperwort. All the species have a pungent flavor.

Peppergrass(n.) The common pillwort of Europe (Pilularia globulifera). See Pillwort.