Custom Regulations of the United States, Official US Custom House Guide, 1987. sec. 302.58 --CR-360. MARIJUANA STATUTORY PROVISIONS
Controlled Substances Act, Food & Drug Admin (1970)

Chapt. 22, Sec. 802-15 Definitions:
(a) MARIHUANA. The term 'marihuana' means all parts of the plant Cannabis sativa (L.), whether growing or not, the seeds thereof, the resin extracted from any part of such plant; and every compound, manufacture, salt, derivative, mixture or or preparation of such plant, its seeds or resin;

BUT SHALL NOT INCLUDE the mature stalks of such plant,. fiber provided from such stalks, oil or cake made from the seeds of such plant., any other compound, manufacture, salt, derivative, mixture or preparation of such mature stalks (except the resin extracted therefrom), fiber. oil or cake or the sterilized seed of such plant. which is incapable of germination