Section 64. The title conveyed by a tax collector’s deed or by a taking of land for taxes shall be absolute after foreclosure of the right of redemption by decree of the land court as provided in this chapter. The land court shall have exclusive jurisdiction of the foreclosure of all rights of redemption from titles conveyed by a tax collector’s deed or a taking of land for taxes, in a proceeding provided for in sections sixty-five to seventy-five, inclusive.