The article presents the sermons of the Franciscan preachers (Ordo Fratrum Minorum Reformatorum) from the baroque (XVIIth -XVIIIth century). The author treats of a subject of a sermones de tempore et de sanctis. She tries to quality its character. Its were showed against a background of history, theological and rhetorical tradition. The article concentrates specially on a rhetorical: inventio (auctoritates - the Bible and a commentary, an exemplum and a figura - understanded as an allegorical reading of the Scriptures), dispositio (structure of a sermon) and elocutio (lingual form of a sermon).