VI] 



MARSH AND AQUATIC ASSOCIATIONS 



149 



At altitudes from 1000 feet (305 m.) downwards many of 

 the Juncus swamps are rich in species : above that altitude, 

 the swamps become floristically poorer and poorer. 



The full list of plants of the Juncus swamps is a very long 

 one, in Avhich respect the association resembles most other 

 mixed or unstable or kinetic associations. In the following 

 list the plants more characteristic of peaty localities are printed 

 in italics : — 



