A collection of slides and photographs that belonged to American botanist Dr. Arthur S. Barclay. These images include personal photographs of Dr. Barclay and his family or subjects of Dr. Barclay's research. Most notable are Dr. Barclay's trip to Colombia while a student at Harvard University in 1956, samples of datura plants collected in the Southwestern United States, and the aftermath of automobile accident involving Dr. Barclay's International Harvester B-120 Travelall.
