io CONTENTS 



PAGE 



CHAPTER XXXI 



WATER AND MARSH PLANTS 



The vegetation of a pond. Structural peculiarities of water- 

 plants. Invasion. Marsh-plants . . . . . 370 



CHAPTER XXXII 



WEEDS 



Weeds of cornfields, meadows, and pastures . -376 



CHAPTER XXXIII 

 VEGETATION OF THE SEA-COAST 

 Seaweeds. Salt-marshes, sand-dunes. Strand -plants. Shingle 

 beaches .......... 380 



CHAPTER XXXIV 



MOORLAND AND ALPINE PLANTS 



Cotton-grass moors. Heather moors. The Sphagnum bog. 

 Alpine plants ......... 390 



EXAMINATION PAPERS 400 



INDEX 421 



