MARSHLANDS AND BOGS. 191 



leaved "Willow Herb is a smaller plant, and prefers 

 banks and roofs of cottages. The down of the seeds 

 has been recommended for manufacturing purposes. 



MARSHLANDS AND BOGS. 



rPIHE earliest summer flower of the marsh is the 

 ~ Red Rattle or Lousewort (Pedicularis palustris) , 

 which shows its red stems and flowers so plentifully 

 as to tint the landscape, which is brightened by its 

 deeply-cut green leaves. 



The Butterworts are, however, the summer flowers 

 of the bog. They are sometimes called bog violets, 

 from their blue tint and drooping heads. The Com- 

 mon Butterwort (Pinguicula vulgaris) has its yellowish 

 unctuous leaves arranged round the root. These 

 leaves are used in many counties to coagulate milk, 

 hence its name. The leaves have a singular habit of 



