The Dessy Group sample sale

118 W 20th St between Sixth and Seventh Aves, third floor. Subway: 1 to 18th St. Nab dresses and accessories for up to 75 percent off from this e-tailer. Lela Rose chiffon maxidresses are reduced from $310 to $40, Dessy convertible frocks are nicked from $140–$180 to $40–$50, and ballet flats from the eponymous label are just $5 (were $30). Grab some green—credit cards are not accepted.