GENERA AND SPECIES. 199 



first time one is likely to pass it by hoping to find a 

 "better" specimen. 



" This lichen was at one time much prized as a 

 remedial agent and in the dyeing industry. Its specific 

 name as well as its familiar desis^nation 'luniks of oak' 

 or * tree lungwort ' is due either to its efficacy, real or 

 supposed, in pulmonary affections, as a nutrient, de- 

 mtflcent or tonic; or from a fancied resemblance be- 

 tween the reticulate character of the thallus and the 

 mesh-like structure of lungs. The Swedish peasantry 

 were wont to employ it in epidemic catarrh of cattle, 

 especially of sheep ; and in Germany, probably for 

 similar purposes, it was given to cattle mixed with 

 salt." — Lindsay. 



Library 



