poetical

runollinen, runo- of or pertaining to poetry, suitable for poetry, or for writing poetry.
expressed in metrical form; exhibiting the imaginative or the rhythmical quality of poetry.
(RQ:Fielding Tom Jones)

That our work, therefore, might be in no danger of being likened to the labours of these historians, we have taken every occasion of interspersing through the whole sundry similes, descriptions, and other kind of poetical embellishments.