What do you think of when you think of the flowers of autumn? Chrysanthemums immediately to mind, if only because in September every supermarket dresses itself with ranks of potted mums. These mums are colorful, although a bit straitlaced in their pots, and may blind us to the many other flowers of autumn. However, there are many other fall bloomers. One of my favorite autumn bloomers is the Japanese anemone. I have a large clump of the old…