This is a classic work of botanical exploration that offers a vivid account of the plants and landscapes encountered by Dr. A. Wislizenus on his famous expedition through the American West in the mid-19th century. With insightful analysis and beautiful illustrations, George Engelmann's Sketch of the Botany of Dr. A. Wislizenus's Expedition is a valuable resource for botanists, naturalists, and anyone interested in the history of scientific exploration in America. 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, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.