Natural rubber at least showed promise as rubber sources, include the rubber fig ("Ficus elastica"), Panama rubber tree ("Castilla elastica"), various spurges ("Euphorbia" spp.), lettuce ("Lactuca" species), the related "Scorzonera tau-saghyz", various "Taraxacum" species, including common dandelion ("Taraxacum officinale") and Russian dandelion ("Taraxacum kok-saghyz"), and perhaps most importantly for its hypoallergenic properties, guayule ("Parthenium argentatum"). The term gum rubber is sometimes applied to the tree-obtained version of natural rubber in order to distinguish it from the synthetic version. The first use of rubber was by the indigenous cultures of Mesoamerica. The earliest archeological evidence of the use of natural latex from the
What I Mean to Say Is Goodbye on my feet. I'd say, 'Jackie, go on.' Jackie would look up at me and his purr would get a little louder, but he would not leave." The title of the album was taken from a song of the same name, "What I Mean To Say Is Goodbye", which was later cut during the sequencing process and remains unreleased. Design and layout for "What I Mean To Say Is Goodbye" was created by Grammy-award winning designer, Peter Buchanan-Smith, and features original artwork, liner notes, and a short story by Tom Brosseau. What I Mean to Say Is Goodbye What I