Hybridization.—The state or condition of being hybridized, or the process or act of hybridizing.

Cross.—An offspring of any two flowers which have been cross-fertilized.

Individual-Cross.—An offspring of two flowers on the same plant.

Cross-breedHalf-breedMongrelVariety-hybrid.—A cross between varieties of the same species.

Hybrid.—An offspring of plants of different species.

Half-hybrid.—A product of a cross between a species and a variety of another species.

Derivative or Derivation-hybridSecondary-hybrid.—A hybrid between hybrids, or between a hybrid and one of its parents.

BigenerBigeneric hybrid.—A hybrid between species of different genera.

Bigeneric half-breed.—A product of a cross between varieties of species of different genera.