The tremulously mirrored clouds lie deep,
Enchanted towers bosomed in the stream,
And blossomed coronals of white-thorn gleam
Within the water where the willows sleep—
Still-imaged willow-leaves whose shadows steep
The far-reflected sky in dark of dream;
And glimpsed therein the sun-
The natural world has been one of the recurring subjects of poetry, frequently the primary one, in every age and every country. Yet we cannot easily define nature, which, as Gary Snyder points out in his preface to No Nature (1992), “will not fulfill our conceptions or assumptions” and “will dodge our expectations and theoretical models.” Yet the urge to describe the natural world—its various landscapes, its changing seasons, its surrounding phenomena—has been an inescapable part of the history of poetry.