Choreographer Julia Adam likes to weave together playful, unexpected metaphors in her works. In her elemental series, which started with a performance in 2014 at the Launch For Hire that took inspiration from the waters of Tomales Bay, she has been drawn to folktales. Last year, she staged a dance in Nicasio inspired by both Little Red Riding Hood and mycelium, the underground root network from which mushrooms grow. This month, Ms. Adam is staging…