FERNS AND MOSSES. 
129 
able to I5nd the Hart's-tongue ; but let him go over the 
same ground another day, looking carefully in the thickest 
parts of hedges, and he may return Avith fully -developed 
specimens. In Scotland, where the Scohpcmln'um is 
HART'S -TONGUE. 
sparingly distributed, he who searches can seldom travel far 
without recognising it in some favourite locality. In Ire- 
land it is far niore abundant, and is not only profusely 
scattered in the most dissimilar situations, but attains almost 
