Ce livre est une tude botanique et g ographique d taill e de l'Am rique du Sud, bas e sur les exp ditions men es par Bonpland avec Alexander von Humboldt au d but du XIXe si cle. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States,...