In a world altered to its depths by human consumption, what will endure? Kristan Horton and David Armstrong Six's two-person show "If by Dull Rhymes" seemed to propose that castoffs from our sinking ship have a salvageable future even if we don't. Proliferating commodities provided the material conditions and inspiration for works of literally wasteful beauty, whose elegiac yet playful constructions craftily forecast human obsolescence.

Armstrong Six's delicately colored freestanding assemblages made of plaster, cement, steel, and other materials conjured an undersea garden growing out of ruins. Some took the form of broken columns made of wood and murky Plexiglas, around which other, vaguely creatural forms with botanical titles--Dwarf Mallow and Opuntia X (the latter named for the cactus genus of the prickly pear), for example, both 2016--materialized. The more organic sculptures were lyrically compiled casts of boots, cans, gourds, and other objects as well as discarded molds. Often fractured or gouged, strewn with holes and barnacle-like beads and glass pebbles, they extruded branches and other appendages. The resulting aggregate forms suggested self-organizing, animated...