To have sole care, superintendence and management of all public burial grounds in the Town. May lay out any existing public burial grounds or any land purchased and set apart for cemeteries with proper paths and avenues; may plant, embellish, ornament and fence the same and erect therein such suitable edifices and conveniences and make such improvements as it considers convenient; and, subject to the approval of the Town, may make such regulations, consistent with law, as it deems expedient.