The forms are stark, but Predock's scheme -- a casual zigzag arrangement that follows the terrain, roof lines that vary from flat to peaked to pyramidal, a restrained polychrome .
From the jazz age onward, pop culture has gone polychrome in a big way: color, brilliant and various, has been almost obligatory in all things, from clothing to kitchen appliances .
Flat paint can be resprayed, but some of Smith's polychrome works were painted in a splashy, brushy mannera handwriting that can no more be restored than the excited scribbles .