WATER 



271 



bounded by dense growths of tall grasses, 

 Bulrushes, Reeds, and Sedges, interspersed 

 with the spires of the purple Loosestrife, 

 Willow Herb, Hemp Agrimony, and other 



Fig. 34. — View in the district of the Broads, Norfollc. 



flowers, while the fields are very low and pro- 

 tected by dykes, so that the red cattle appear 

 to be browsing below the level of the water ; 

 and as the rivers take most unexpected 

 turns, the sailing boats often seem (Pig. 34) 

 as if they were in the middle of the fields. 



At present these rivers are restrained in 

 their courses by banks ; when left free they 



