CONTENTS 



IX 



SECTION V 

 HELOPHYTES. MARSH-PLANTS 



CLASS IL 



CHAPTER 



XLin. Adaptations. Formations 

 XLIV. Reed-swamp or Reed-formation 



page 



185 



187 



XLV. BusH-svvAMP and Forest-swamp of Fresh Water . 190 



SECTION VI 



CLASS III. OXYLOPHYTES. FORMATIONS ON SOUR 



(ACID) SOIL 



XLVI. Xeromorphy. Formations . 



XLVII. Low-moor Formation 



XLVIII. Grass-heath. Tussock Formation 



XLIX. High-moor Formation 



L. Moss-tundra or Moss-heath 



LI. Lichen-tundra or Lichen-heath 



LII. Dwarf-shrub Heath 



LIII. Bush and Forest on Acid Humus Soil 



193 

 196 



199 



200 



205 



208 



210 



214 



SECTION VII 



CLASS V. HALOPHYTES. 



FORMATIONS ON SALINE SOIL 



218 



LIV. Introductory General Remarks on Halophytes 



LV. Adaptations of Halophytes 



LVI. LiTHOPHiLous Halophytes 



LVII. Psammophilous Halophytes . 



LVIII. Pelophilous Halophytes 



LIX. Salt-swamp and Salt-desert 



LX. Littoral Swamp-forest, Mangrove 



219 

 224 

 225 

 230 



233 

 234 



SECTION VIII 

 CLASS VI. LITHOPHYTES. FORMATIONS ON ROCKS 

 LXI. Rocky Country 239 



LXII. LiTHOPHYTES 24O 



LXIII. Chasmophytes 243 



LXIV. Formations on Shingle and Rubble . . . 246 



