R3 





CONTENTS. 



PAQB 



PREFACE 7 



GENERAL OUTLINE OF PLAN OF CATALOGUE. 



I. INDIGENOUS PLANTS 13 



II. INTRODUCED PLANTS 13 



III. SYNONYMS 14 



IV. ARRANGEMENT AND NOMENCLATURE 14 



V. CITATION OF AUTHORS 15 



VI. FORMS 15 



VII. TERMS DENOTING RELATIVE OCCURRENCE .... 16 



VIII. PLANTS NOT REPRESENTED IN THE HERBARIUM . 16 



IX. ABBREVIATIONS 17 



X. GEOGRAPHICAL NOMENCLATURE 17 



INTRODUCTION. 



I. MOUNT DESERT AND ITS FLORA 19 



II. THE MAP OF MOUNT DESERT ISLAND 28 



List of Corrections 31 



III. BOTANICAL NOMENCLATURE OF THE CATALOGUE . . 32 



OUTLINE OF THE GEOLOGY OF MOUNT DESERT. 



INTRODUCTION 43 



THE GRANITE BELT 46 



THE PRE-GRANITIC ROCKS 51 



THE POST-GRANITIC ROCKS 55 



THE GREAT DENUDATION 56 



THE GLACIAL INVASION 63 



POSTGLACIAL HISTORY . 67 



441 



