Source : Webster's Revised Unabridged Dictionary (1913)
Madwort \Mad"wort`\, n. (Bot.)
A genus of cruciferous plants ({Alyssum}) with white or
yellow flowers and rounded pods. {A. maritimum} is the
commonly cultivated sweet alyssum, a fragrant white-flowered
annual.
Alyssum \A*lys"sum\, n. [NL., fr. Gr. ?, name of a plant, perh.
fr. 'a priv. + ? raging madness.] (Bot.)
A genus of cruciferous plants; madwort. The {sweet alyssum}
({A. maritimum}), cultivated for bouquets, bears small,
white, sweet-scented flowers.