SECTION 100. Penalty

Whoever sells, offers or exposes for sale any lot of agricultural seeds or mixtures thereof, vegetable seeds, flower seeds or tree and shrub seeds without complying with the requirements of sections eighty-four to ninety-nine, inclusive, applicable thereto or in violation of any order, under section ninety-five of the commissioner or of the superior court if an appeal is taken, or whoever falsely marks or labels any such seed or mixture, or impedes, obstructs or hinders the commissioner or any of his duly authorized agents, or the director or any of his duly authorized assistants, in the discharge of the authority or duties conferred or imposed by any provision of said sections, shall be punished by a fine of not more than five hundred dollars.