According to the 14th Roman ordo, of 1241, the pope places on the emperor's head first the mitra clericalis, then the imperial diadem.
The procession was followed, inside the church, by a curious combination of ritual office and mystery play, the text of which, according to the Ordo processionis asinorum secundum Rothomagensem usum, is given in Du Cange.
and his wife Constance made important donations to it, and promoted the spread of offshoots of the parent house; while Innocent III., on the 21st of January 1204, approved the "ordo Florensis" and the "institutio" which its founder had bestowed upon it.
When the control of the courts passed into the hands of the property equites, all who were summoned to undertake the duties of judices were called equites; the ordo judicum (the official title) and the ordo equester were regarded as identical.
71) he distinguishes this ordo from the Christian plebs or laity.