You’d be amazed at how much mileage a story can get from a plant behaving like an animal, or vice versa. One of David Lynch’s early short films, The Grandmother, was about a kindly old woman who grows from seeds planted in the earth. Is it disquieting? Yes. And it’s no surprise that one of the most unsettling stories in Tomás Downey’s new collection Diving Board (translated by Sarah Moses) is about a horse that’s also a plant.