Phytochemical studies of several oregon plants I**The writer wishes to extend his appreciation to Dr. Helen M. Gilkey of the Department of Botany, Oregon State College for the efforts expended in the identification of the plants included in this study and others which were presented to her from time to time. Thanks are also extended to the Oregon State Board of Pharmacy for the use of its equipment and its permission to carry on a portion of this study while the writer was in its employ.