Rowleyan

The work's increased use of Rowleyan language makes the act of reading unavoidably self-conscious as we can no longer rely on our usual ways of making sense of poetry.

Source: wiktionary

It seems clear that Chatterton worke out a theory of the history of English drama that would cilminate in Rowley's Ælla. We have inferred a similar theory of prosodic history from the uncertainty and irregularity of pre-Rowleyan prosody as compared to Rowley's correctness.

Source: wiktionary

So Chatterton, by breaking his apprenticeship, deftly steered a course between the Bristolian and the Rowleyan voices: between 'Matrimony he shall not contracct' and 'an hollie Preeste unnmarriageabil'.

Source: wiktionary