The Garden Club of the Back Bay announces a tree dedication to honor the memory of the two fire fighters who lost their lives five years ago fighting the nine-alarm fire at 298 Beacon Street.  On April 18^th, at 12 noon, the families of Lieutenant Edward Walsh, Jr., of Engine Company 33, and Firefighter Michael Kennedy, of Ladder Company 15, will join the Fire Commissioner of the City of Boston and the Garden Club of the Back Bay to dedicate a new tree planted at the site of the fire.