If a tree infected with Dutch Elm Disease is located on private property, the county forester shall immediately serve upon the owner of such property a written notice, in the manner herein provided, that such tree is so affected by the disease and that he shall cause the same to be removed and burned under the supervisionof the tree division within ten (10) days after the receipt of such notice, or to appear upon five (5) days notice before the county forester to show cause why the county should not remove such tree and charge the cost thereof to the person concerned. (Mont. Co. Code 1965, § 113-5.)