TABLE OF CONTENTS. xv 



CHAPTER LIV, 



PAGE 



THE VEGETATION OF THE STRAND 586 



L Types of Strand 586 



l-ll. The Vegetation of the Beach or Strand 588 



Kill. Vegetation of the Dunes 592 



CHAPTER LV. 



PLANT SOCIETIES or ROCKY AREAS, MEADOWS, AND MARSHES 600 



I. Vegetation of Rocky Places, and New Land 600 



II. Vegetation of Swamps and Moors 606 



, CHAPTER LVI. 



AQUATIC PLANT SOCIETIES 620 



l/l. General Considerations 620 



II. Fresh-water, or Limnetic, Plant Societies 624 



III. Marine, or Pelagic, Plant Societies 627 



CHAPTER LVII. 



PRACTICAL STUDY OF PLANT FORMATIONS 630 



I. Suggestions for Practical Study of Plant Formations 630 



II. Natural Vegetation Regions of the Earth 638 



PART V. REPRESENTATIVE FAMILIES OF 

 ANGIOSPERMS. 



CHAPTER LVIII. 

 RELATION OF SPECIES, GENUS, FAMILY, ORDER, ETC 648 



CHAPTER LIX. 

 MONOCOTYLEDONS 654 



CHAPTER LX. 

 MONOCOTYLEDONS CONCLUDED 662 



CHAPTER LXI. 

 DICOTYLEDONS 667 



CHAPTER LXII. 

 DICOTYLEDONS CONTINUED 672 



