very ancient town of Italy, mentioned by many of the Roman historians. It was originally called Corton, and lay to the northward of the lake Thrasymenus. It still retains the name of Cortona.

E. Long. 13° 0'. N. Lat. 43° 15'.

Cortonese, Pietro Paolo. See Gorbo.

Cortusa, Bears-ear Sanicle; a genus of plants belonging to the pentandria class; and in the natural method ranking under the 21st order, Preciae. See Botany Index.