Collins's Ode to Simplicity was written in the stanza of Milton's Nativity, and his exquisite unrimed Ode to Evening was a study in versification, after Milton's translation of Horace's Ode to Pyrrha, in the original meters.
"Brief History of English and American Literature"
Henry A. Beers
It consists of five unrimed stanzas, all but one ending with an emphatic 'Thou big thing'.
"The Life and Works of Friedrich Schiller"
Calvin Thomas
The 5-stress line, both rimed and unrimed, is the most flexible and best adapted to all kinds of subjects that English versification possesses.
"The Principles of English Versification"
Paull Franklin Baum