258 



LOCAL DISTRIBUTION OF THE BRITISH FERNS, CLUB-MOSSES, 

 PEPPERWORTS, AND HORSETAILS. 



THE limits of this little volume will neither allow of a very 

 complete nor very detailed record of the situations in which 

 the various Perns and Pern allies are severally found to 

 grow ; nor is it indeed necessary that their habitats should 

 be so fully and minutely stated in a book such as the pre- 

 sent. Instead, therefore, of attempting a full enumeration 

 of the localities where they have been found, we shall make 

 a selection, with the special view of indicating the districts 

 in which the various kinds have been known to occur, and 

 to which those who may desire to find them should more 

 especially direct their attention. The facts thus selected 

 will also afford some insight into the geographical range of 

 the species in the British Isles. 



Such a record of facts, even though thus abridged, would, 

 however, have a very chaotic character if it were not sys- 

 tematized in some way. The most obvious modes of arrange- 

 ment seem to be the alphabetical and the geographical ; and 



