Definition of "quashy"

The flagon of wine and the Wardon pie, what have they come to? Vin ordinaire in a wooden mug, and a quashy mess of baking pears under a pie-crust of the middle ages?

1852, Journal of Agriculture, volume 2, page 29

The rock on which the jong stands must at one time have been lapped by the waters of the lake, but at the present time the Yam-dok tso has retreated so far, that a quashy stretch of vivid green quagmire spreads between the road and the shore.

1905, Perceval Landon, The Opening of Tibet