or Iscalis (anc. geog.); a town of the Belgae in Britain. Now Ilchester, in Somersetshire, on the river Ilt.

ISCHÆMUM, in botany: A genus of the monocotyledonous order, belonging to the polygamia class of plants; and in the natural method ranking under the 4th order, Graminae. The calyx of the hermaphrodite is a biflorous glume; the corolla bivalved; there are three stamens, two styles, and one seed. The calyx and corolla of the male as in the former with three stamens.

ISCHIUM, in anatomy, one of the bones of the pelvis. See Anatomy, No. 41.