ADRIANI, GIOVANNI BATTISTA, born of a patrician family of Florence about 1511, was secretary to the republic of Florence, and for thirty years professor of rhetoric at the university. Ile wrote a history of his own times, from 1536 to 1574, in Italian, which is generally, but according to Brunet erroneously, considered a continuation of Guicciardini. De Thou acknowledges himself greatly indebted to this history,praising it especially for its accuracy. Adriaui composed funeral orations on the Emperor Charles V. and other noble personages, and was the author of a long letter on ancient painters and sculptors prefixed to the third volume of Vasari. 'He died at Florence in 1579.