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 



riGUBB PAGE 



1. Subsoil map of the Peak District (northern area) ... 6 



2. Subsoil map of the Peak District (southern area) . . .11 



3. Oak Wood of Querctcs sessiliflora near its upper altitudinal 



limit. Ground vegetation of Bilberry and silver Hair- 

 grass facing 38 



4. Oak Wood of Querciis sessiliflora. Shrubby undergrowth . „ 42 



5. Oak Wood of Qu^rciis sessiliflora. Ground vegetation of 



Blue-beUs » 46 



6. Oak Wood of Querciis sessiliflora. Ground vegetation of 



Bracken and wood Soft-grass » 50 



7. Oak Wood of Quercus sessiliflora. Ground vegetation of 



Bilberry and silver Hair-grass » 54 



8. Birch Wood of Betula pubesceyis. Ground vegetation of 



Rush and tufted Hair-grass »> 60 



