📕 Excerpt from Annales des Sciences Naturelles, 1852, Vol. 18: Comprenant la Zoologie, la Botanique, l'Anatomie Et la Physiologie Comparées des Deux Règnes Et l'Histoire des Corps Organisés Fossiles; BotaniqueLe croisement de deux variétés d'une même espèce est, comme on sait, encore plus facile à. Réaliser. La plupart des formes de Pelargoniums, de Roses d'azaleas et de Rhododendrons qui ornent nos jardins n'ont pas d'autre origine.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.