Which poetic device does the sentence cool breeze softly rustled green leaves on tall maple next to clear stream use?

This sentence uses alliteration, the repetition of consonant sounds at the beginning of words.

Here's how it works:

* "Cool breeze" - the "c" sound is repeated.

* "Softly rustled" - the "s" sound is repeated.

* "Green leaves" - the "l" sound is repeated.

While the sentence also uses descriptive language, it's the repetition of these consonant sounds that creates a sense of rhythm and flow, making it a poetic device.