Two students investigating poisonous plants

Photograph of School of Science - Biological Sciences; Two students taking part in a Purdue University undergraduate research project to investigate potentially poisonous naturally growing plants inspect a specimen of nepeta cataria, more commonly known as catnip. Thomas Curfman, a Purdue biology student from West Lafayette, Ind., and Nancy Burkhart, an Earlham College biology student from Columbus, Ohio, will draw extracts from the plant to determine if it has poisonous qualities; 6-13-1974College of SciencePhysic