Abstract: A drapery assembly for use in architectural apertures having non-standard sizes and shapes, such as arched windows. The traverse rod portion of the assembly is a flexible, telescopic rod formed from tube sections of synthetic plastic-like material. The rod is supported along the upper boundary of the aperture by a plurality of hooks which aid in maintaining the rod in a desired orientation. A drapery is made to maintain the rod in substantial conformity with the shape of the aperture without aid of the hooks thereby facilitating installation of the assembly one hooks are in place. The variable size of the rod permits the assembly to be used in apertures of differing sizes. The material forming the rod makes the rod easily bent to have a uniform curvature and to conform to the shape of the aperture. The material also insures that the fabric forming the drapery contacts only smooth surfaces thereby preventing snagging.