Wild grape-vines clamber to the tops of the highest trees, spreading umbrella-wise over the branches, and their festooned floating trailers wave as silken fringe in the play of the wind. This sentence from the passage contains an example of

This sentence contains several literary devices.

Personification is used to describe the vines, which "clamber" as a person would. Also, the floating trailers "wave," another human action.

Next, a simile is used to describe the way these floating trailers wave: AS silken fringe.

Finally, alliteration is used to describe the "festooned floating" trailers.