December 1, 1908 Dr. L. H. Pammel, Ames, Iowa. Department of Botany. My dear Dr. Pammel: I wish to thank you for your congratulations and also the papers which you were so kind as to send me. They are exceedingly interesting and valuable. As you know I am always glad to get anything you write. With greetings to the family, I am, Yours very truly, Geo. W. Carver