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
Stranger, Bear Word to the Spartans We... where he is, and learns he is actually in Bendorf, his hometown, but is still uncertain that he is indeed in his old Gymnasium, named after Frederick the Great, in which he spent eight years as a pupil. Alongside the question of his location, a second question of the severity of his wounds is raised. Both of these questions are answered directly after one another: he sees his own handwriting on the chalkboard, containing the quote "Stranger, bear word to the Spartans we..." — from three months ago — truncated because his lettering was too large to fit on the