Among the difficulties in Propertius is the question whether to retain ‘cecinit’ in 3. 3. 7 or to adopt the conjecture ‘cecini’.
Propertius dreamed that he was reclining upon Helicon in a grove by Hippocrene and that he was able to compose a Roman historical epic:
Visus eram molli recubans Heliconis in umbra,
Bellerophontei qua fluit umor equi,
Reges, Alba, tuos et regum facta tuorum
(Tantum operis) neruis hiscere posse meis,
Paruaque tam magnis admoram fontibus ora
Vnde pater sitiens Ennius ante bibit,
Et cecinit Curios fratres et Horatia pila
Regiaque Aemilia uecta tropaea rate
Victricesque moras Fabii pugnamque sinistram
Cannensem et uersos ad pia uota deos
Hannibalemque Lares Romana sede fugantes,
Anseris et tutum uoce fuisse Iouem,
Cum me Castalia speculans ex arbore Phoebus
Sic ait…
According to the paradosis 7–12 constitute a summary of Ennius' Annales. In that I case Propertius' failure to observe historical sequence (the Gaulish attack of 387 coming after the Second Punic War) is peculiar; nor is it defended securely by I supposedly parallel passages. More damaging, however, is that 8 must describe the triumph of L. Aemilius Paullus in 167, two years after the accepted date of Ennius' death. Hertzberg and Postgate claimed that it alludes to the defeat of Demetrius of I Pharos by a L. Aemilius Paullus in 219 (Polyb. 3. 16. 18, App. Illyr. 8); this is unlikely for some of the same reasons as the rival theory of Butler and Barber, which has found many adherents, that it refers to the victory over Antiochus' navy by L. Aemilius Regillus at Myonnesus in 190.