Mádder. n.s. [madere, Saxon.]
The flower of the madder consists of one single leaf, which is cut into four or five segments, and expanded at the top; the flower-cup afterwards becomes a fruit, composed of two juicy berries closely joined together, containing seed for the most part, hollowed like a navel; the leaves are rough, and surround the stalks in whorles. Miller.
Madder is cultivated in vast quantities in Holland: what the Dutch send over for medicinal use is the root, which is only dried; but the greatest quantity is used by the dyers, who have it sent in coarse powder. Hill.