Guayule Parthenium argentatum Gray a rubber-plant of the Chihuahuan Desert. This book, "Guayule Parthenium argentatum Gray a rubber-plant of the Chihuahuan Desert. Volume 1", by Francis Ernest Lloyd, is a replication of a book originally published before 1911. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.