shad-flower

Century Dictionary and Cyclopedia

1. n. An abundant low herb like a miniature sweet alyssum, blooming when the shad appear in the rivers; the whitlow-grass, Erophila vulgaris, better known as Draba verna.
2. n. Same as shad-bush.
3. n. The trailing arbutus, Epigæa repens.

WordNet 3.0

1. n. annual weed of Europe and North America having a rosette of basal leaves and tiny flowers followed by oblong seed capsules