APPENDIX I 217 
4. THE RELATIONSHIPS OF THE OXODION AND 
THE SILICION 
[Sub-Alpine Grassland] } SILIcion 
Bilberry Moor 
Bare Peat 
Heather and Bilberry Moor 
Retrogressive Moor 
Cotton-grass Moor 
OxXoDION 
Cotton-grass and Heather Moor 
Heather Moor 
Molinia Grassland or Moor 
Nardus Grassland 
with much Heather 
Nardus Grassland 
SILICION 
Oak and Birch Serub 
\ 
Oak or Birch wood 
5. THE Puant ForMATION OF FRESH WATERS 
Associations of rapidly flowing non-calcareous waters. 
Associations of rapidly flowing calcareous waters. 
Associations of moving waters. 
Associations of stagnant waters. 
Associations of reed swamps. 
Pe eee pe 
