Succulents! Aaron Starts off with the biology of the creeping Devil cactus, Stenocereus Eurca. Learn about the the unique adaptions this cactus has to allow it to crawl, and the unique conditions that lead it its evolution, Rustin follows with Lithops plants. Learn about how these plants survive the harsh South African deserts through the usage of their special light-refracting, pebble-mimicking, fortune-teller-looking leaves.