Full of sloughs, miry.

(of soil) soft and watery; "the ground was boggy under foot"; "a marshy coastline"; "miry roads"; "wet mucky lowland"; "muddy barnyard"; "quaggy terrain"; "the sloughy edge of the pond"; "swampy bayous"

Resembling, or of the nature of, a slough, or the dead matter which separates from living flesh.