U.S. Patent Act
..Part II. Patentabililty of Inventions and Grant of Patents
....Chapt. 15. Plant Patents
The President may by Executive order direct the Secretary of Agriculture, in accordance with the requests of the Commissioner, for the purpose of carrying into effect the provisions of this title [35 USCS Sects. 1 et seq.] with respect to plants (1) to furnish available information of the Department of Agriculture, (2) to conduct through the appropriate bureau or division of the Department research upon special problems, or (3) to detail to the Commissioner officers and employees of the Department.