Giverny, at Salon 94, 12 East 94th Street, between Fifth and Madison, New York NY 10128, T 646 672 9212, open Monday to Wednesday, 10 to 5 by appointment, through August 13 Jules Olitski: Spray Paintings of the 1960s, at Ameringer & Yohe Fine Art, 20 W 57, 2nd fl, between Fifth and Sixth, New … Continued