March 29, 1927 Mr. L. H. Pammel Department of Botany Iowa State College Ames, Iowa Dear Dr. Pammel: I beg to acknowledge receipt of your favor of recent date, and beg you not to put yourself to the trouble of looking up the paper of which I referred unless you want to read it for yourself, as I had a copy on my desk before me when I wrote you and it was so interesting that I thought you would like to know about it. I feared that you had not seen it. I shall be very happy, however to hear just what you have to say after you have seen the article, as you know you are my supreme authority With sincerely good wishes and kindest regards to Mrs. Pammel, I am Yours very truly G. W. Carver Department of Research and Experiment Station