prepared a fluid that has the power when injected into the tissue of a plant of anesthetizing the plant. The plant does not die, but stops growing, maintaining its fresh, green appearance, though its vitality is apparently suspended. It is also independent of the changes of temperature. The composition of the fluid is shrouded in the greatest secrecy, but as the process is not patented the secret may be discovered and utilized by another investigator.” _Section 14. Money in the Mails and in Writing Materials._