or MAUDLIN, in botany, a genus of the syngenesia polygamia æqualis class. The receptacle is naked; the pappus has five arista or awns; the calyx is oblong; and the stylus a little longer than the flower. There are three species of the agratum, viz. the conyzoides, the ciliare, and the altissimum, all natives of America.

AGERATUS lapis, a stone used by the ancients in dying and dressing leather.