… in separating the wheat from the chaff Leo Tolstoy, his long beard white, stood beside a horse in a photograph on a … nicest day for a wheat-threshing lesson, but 19th-century Russian peasants never got to take a rain check. Fifteen … and a skep hive of coiled straw. The class, “Ecology and Russian Culture,” is co-led by Molly Brunson, associate …