North American Species of Cactus 北美仙人掌

North American Species of Cactus 1 North American Species of Cactus by John M. Coulter. 更多好书请点击 www.uus8.org North American Species of Cactus 2 U.S. Department of AgricultureDivision of Botany CONTRIBUTIONS FROM THE U. S. NATIONAL HERBARIUM Vol. III--No. 2 Issued June 10, 1894 Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora.byJohn M. Coulter. Published by Authority of the Secretary of Agriculture WashingtonGovernment Printing Office1894 LETTER OF TRANSMITTAL U. S. Department of AgricultureDivision of BotanyWashington, D. C., March 21, 1894 SIR:I have the honor to transmit herewith, for publication as Vol. III, No. 2, of Contributions from the U. S. National Herbarium, a Preliminary Revision of the North American species of Cactus, Anhalonium, and Lophophora, by President John M. Coulter. Respectfully,Frederick V. Coville,Chief of the Division of Botany. Hon. J. Sterling Morton,Secretary of Agriculture. PRELIMINARY REVISION OF THE NORTH AMERICAN SPECIES OF CACTUS, ANHALONIUM, AND LOPHOPHORA. Prefatory Note. In the fall of 1890 Dr. George Vasey, then Botanist of the ......