Science: Big Iris

Several months ago, Dr. John Kunkel Small of the New York Botanical Garden took a train ride through the Mississippi delta, looked out of the window with his knowing botanical eye at the lush growth of the southern swamps. Suddenly he saw something which made him want to stop the train—a swamp full of giant iris such as a Paul Bunyan might have planted. Soon as possible Dr. Small went back to the spot with two botanical friends. The iris grew seven feet tall, like young trees. They bore immense rainbow colored...

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