Section 20
SEC. 20. Every person who dispenses, sells, or delivers any aconite, belladonna, cantharides, colcbicum, conium, cotton root, digitalis, ergot, hellebore, henbane, phytolaca, strophanthus, oil of tansy, veratrum viride or their pharmaceutical preparations, carbolic acid (phenol), chloral hydrate, chloroform, creosote, croton oil, mineral acids, oxalic acid, paris green, salts of lead, salts of zinc, tartar emetic, white hellebore, or any drug, chemical, or preparation, which according to standard works of medicine or materia medica is liable to be destructive to human adult life in quantities of four grams (sixty grains) or less, without the prescription of a physician, shall label the receptacles containing them as is provided for poisons in section nineteen, but shall not be required to register the same. Nothing in this section shall be construed as applying to the dispensing of medicines, drugs, or poisons on physicians' prescriptions, but no prescription the prescribed dose of which contains a dangerous quantity of poison shall be filled without first consulting the prescribing physician and verifying the prescription. Any person violating the provisions of this or the preceding section shall, upon conviction, be punished by a fine of not more than five hundred dollars, or by imprisonment for not more than ninety days, or both, in the discretion of the court.