CONTENTS ix 
APPENDIX I 
SUMMARY AND RELATIONS OF THE PLANT COMMUNITIES 
OF THE PEAK DISTRICT 
1. The Plant Formation of Calcareous soils (Calcarion). 
2. The Plant Formation of Siliceous soils (Silicion). 
3. The Plant Formation of the Acidic Peaty soils (Oxodion). 
4. The Relationships of the Oxodion and the Silicion. 
5. The Plant Formation of Fresh Waters. 
pp. 214-217 
APPENDIX II 
SUMMARY OF BRITISH PLANT FORMATIONS AND ASSOCIATIONS 
pp. 218-221 
APPENDIX III 
List of References. . : , ‘ : . pp. 222-228 
INDEX : ‘ ; ‘ ; : : . . pp. 229-235 
LIST OF ILLUSTRATIONS 
FIGURE PAGE 
1. Subsoil map of the Peak District (northern area) . ‘ : 6 
2. Subsoil map of the Peak District (southern area) : oo Ae 
3. Oak Wood of Quercus sessiliflora near its upper altitudinal 
limit. Ground vegetation of Bilberry and silver Hair- 
grass. ‘ . facing 38 
4. Oak Wood of idiieds sessili fora. Shrubby aon yW Ra re oa aoe 
5. Oak Wood of Quercus esneabitia Ground vegetation of 
Blue-bells . ; ‘ ‘ : ‘ : » 46 
6. Oak Wood of Quercus sacar a. Ground vegetation of 
Bracken and wood Soft-grass_. ! J : : i ae 
7. Oak Wood of Quercus sessiliflora. Ground co of 
Bilberry and silver Hair-grass aie aa 
8. Birch Wood of Betula pubescens. Guan’ vegetation of 
Rush and tufted Hair-grass t : 94) 60 
