Though they look back to the tradition of 19th-century American landscape painting, Tom Judd’s recent paintings also reaffirm what is fundamental to their own iconography. In his earlier works, the landscape is an open field in which a lone figure might sit on a sofa or appear statuelike on a pedestal, and is as likely to be found surrounded by potted house plants as by trees. In this interiorized exterior, it was the “modern idiom” (the title of a 1981 painting) that Judd was exploring, and his primary sources were the magazine advertisements of the ’50s—the decade of his early childhood. His