Plotius

Marius, called Sacerdos. A Latin grammarian, who wrote a work on grammar (Ars Grammatica) in the third century A.D. It was in three books, of which the third, De Metris, is preserved entire and the other two in part. It is given in Gaisford's collection of metrical writers (Oxford, 1837); the whole work in Keil's Grammatici Latini, vi. 427.