Sign in background reads: "Started in 1954 through the efforts of the late Dr. S.M. Dietz, Head Botany and Plant Pathology Dept. and Dr. H.J. O'Reilly, extension plant pathologist. Is the second formal Plant Clinic in the U.S. North Carolina State University started one earlier. The Plant Clinic operation, an important part of the extension plant pathology program, includes specialists in the Dept. of Botany and Plant Pathology."