^'lll .. TABLE OF CONTENTS 



PART FOUR ^ 



PHYl OGEOGRAPHY AND E^LORATION 43 



The Similarity Between the Flora of ]apan and that of the 



United States, Especially the Atlantic Side, Asa Gray 44 



The Curare Poison, Alexander Von Humboldt 49 



Exploration, Bassett Maguirc , 51 



Aspects of Arctic Botany, Nicholas Polunin 58 



PART FIVE 



SYSTEMATIC BOTANY 65 



Excerpts from the Critica Botanica, Carolus Linnaeus 66 



The Reason behind Scientific Names, H. A. Gleason 69 



The Herbarium in Scientific Research, W. H. Camp 73 



Arboreta and Botanical Gardens in the Field of Plant 



Science and Human Welfare, R. J. Seibert 76 



PART SIX 



ANATOMY AND MORPHOLOGY 81 



Of the Root, Nehemiah Grew 82 



Morphology as a Dynamic Science, Edmund W. Sinnott 85 



On Plants, Aristotle 90 



PART SEVEN 



PHYSIOLOGY 95 



Excerpts from Experiments upon Vegetables, John 



Ingen-Housz 96 



The Role of the Environment in Plant Growth, 



F. W. Went 99 



Our Bridge from the Sun, George W. Gray 102 



