Read "Poplars" at The Eldritch Dark:
This is a simple but beautiful poem from Clark Ashton Smith (CAS). The opening stanza provides the central image:
Against the pale autumnal air,
The golden poplars burn and flare.
In the following stanzas, key nouns are repeated, as with "lamps" in the second and fifth stanzas:
And golden lamps are lit for me,
Deep in the vaults of memory.
And in my heart the lamps illume
A queenly couch of love and doom,
The phrase "golden lamps" from the second stanza is a direct derivation from "golden poplars" in the first stanza, and this repetition of key images really gives "Poplars" a musical flow that is impressive for such a short work.