68 COLONSAY 



certain species Wall Rue and Hartstongue Ferns, Rock 

 Rose, etc. which show a preference for lime. 



Plants are found on the basaltic formation which have 

 not been recorded from the South Inner Hebrides. Some 

 species, again, are common to both groups of islands that are 

 wanting in the Outer Hebrides ; while a still fewer number 

 are found in the Outer Hebrides and on the basaltic islands 

 that are absent from the South Inner Hebrides. 



