in architecture. See Architecture, p. 351.

Tuscan Earth, in the materia medica, a yellowish, white, pure bale, considerably heavy, of a very smooth surface, not easily breaking between the fingers, but adhering slightly to the tongue, and melting very readily in the mouth. It is dug in many parts of Italy, particularly about Florence, where there is a stratum of it eight or ten feet thick, at the depth of five or six from the surface. It is given as a sudorific, and esteemed a great medicine in fevers, attended with diarrhoeas.