the north american species oftxt下载

《the north american species of》txt下载简介:

The North American Species of Cactus, Anhalonium, and Lophophoraby John M. CoulterA Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora by John M. Coulter.U. S. Department of Agriculture Division of Botany CONTRIBUTIONS FROM THE U. S. NATIONAL HERBARIUM Vol. IIINo. 2 Issued June 10, 1894 Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora. by John M. Coulter. Published by Authority of the Secretary of Agriculture Washington Government Printing Office 1894 LETTER OF TRANSMITTAL U. S. Department of Agriculture Division of Botany Washington, D. C., March 21, 1894