2. Was sent by Dolabella, B. C. 43, to bring to him the legions which were in Egypt. On his return from Egypt with four legions, he was surprised by Cassius in Palestine, who was at the head of eight legions. As his forces were so inferior, Allienus joined Cassius. (Appian, App. BC 3.78, 4.59; Cic. Phil. 11.12, 13; Cassius, ap. Cic. Fam. 12.11, 12.) This Allienus may perhaps be the same person as No. 1.