nAllogamy(Bot) Fertilization of the pistil of a plant by pollen from another of the same species; cross-fertilization.
Century Dictionary and Cyclopedia
nallogamyCross-fertilization in plants; fecundation of the ovules of one flower by pollen from another of the same species. Distinguished from autogamy, or self-fertilization, in which the ovules are fecundated by pollen from the same flower.
Webster's Revised Unabridged Dictionary
Gr. other + marriage
Allogamy embraces xenogamy and geitonogamy.
"More Letters of Charles Darwin Volume II" by Charles Darwin