Titled “Eileen Agar: Flowering of a Wing: Works, 1936 -1989,” this knockout is at Andrew Kreps Gallery (through Saturday). Its title, taken from one of the canvases here, signals Agar’s lifelong devotion to nature and to ambiguous meanings. Agar may be best known for her collages and their fusion of Surrealist imagination and Cubist structure and geometry. But this show homes in on the paintings, which have a contemporary air and are plenty interesting enough. Most of the paintings here involve several shades of blue, as if haunted by Matisse’s “The Blue Window” (1913) in the Museum of Modern Art.

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Persons: Hilma af, Rosie Lee Tompkins, Mary Delany, Eileen Agar, Andrew Kreps, Agar, —, Matisse, Matisse’s “ Organizations: Museum of Modern Art Locations: Hilma af Klint, Sweden, United States