Castilla elastica (Nahuatl) word for rubber was "ulli / olli", from which their word for the ballgame derived), and also their name for the ancient people they associated with the origin of the ballgame, the Olmecs ("olmeca": "rubber people"). The Nahuatl word for the tree of "Castilla elastica" is olicuáhuitl; in Spanish it is known as palo de hule. Caucho, castilloa rubber. Castilla elastica Castilla elastica, the Panama rubber tree, is a tree native to the tropical areas of Mexico, Central America, and northern South America. It was the principal source of latex among the Mesoamerican peoples in pre-Columbian times. The latex
The Word for World Is Forest writes that Selver becomes such a god during the events of "The Word for World is Forest", but his interpretation of dreams is a negative one, because it tells the Athsheans how to kill. The Athsheans perceive the Terrans as an insane people, partly because of the disconnect amongst the Terrans between conscious, rational thinking and subconscious drives. The Terrans frequent use of hallucinogens is seen as the closest they are able to get to understanding their own subconscious. The psychological equilibrium which their dreaming gives the Athsheans is portrayed as the reason why they are able to live in