1. One of the consuls suffecti A. D. 101, was consul designatus when the younger Pliny pleaded the cause of Bassus before the senate. (Plin. Ep. 4.9.16.) He was praefectus urbi at the time of Trajan's death, A. D. 117. (Spart. Hadr. 5.) Whether he or Calpurnius Macer is the Macer to whom Pliny addresses three of his letters (3.5, 5.18, 6.24), is uncertain.