TO THK 



REV. CHESTER DEWEY, M. D., D. D., 



PROFESSOR OF NATURAL SCIENCE IX THE BERKSHIRE AXD OTHER MEDICAt 



INSTITUTIONS, AUTHOR OF THE REPORT ON THE HERBACEOUS 



PLANTS OF MASSACHUSETTS, MONOGRAPH ON 



THE CARICES, ETC. ETC. 



THIS VOLUME 



IS RESPECTFULLY DEDICATED, BY 



THE AUTHOR. 



