WELLESLEY, MASS. —Federal Realty Investment Trust has announced nine new tenants at Linden Square, a lifestyle center in Wellesley. Beacon Hill Athletic Club; Bella Sante Day Spa; Blue Tulip, a national specialty gift store; The Cottage, an upscale, family owned restaurant; CVS/pharmacy; French Lessons, an intimate apparel boutique; Magic Beans, a children’s store; National Jean Co.; and Starbucks have opened or will open in Linden Square throughout September, October and November. The new retailers join tenants including Fitness for Women, Smatterings and L&M Lock/Boston Decorative Hardware. Future retailers Roche Bros., a locally based grocery store; Head Games, a retailer specializing in women’s hats and accessories; Cold Stone Creamery; Qdoba, a fast-casual Mexican restaurant; and California Pizza Kitchen are all slated to open in 2008. Linden Square will also include approximately 21,000 square feet of office space and four residential units once the next redevelopment phase is completed. Four townhouse-style apartments will be designed with the objective of receiving LEED certification and will be targeted at low- and moderate-income residents.