Aspidium cristatum Asplenium alternifoHuni 



rigiduni Polypodium calcareum 



Four species " affect the southern, or southern and midland counties, 

 being absent from the northern counties." — 



Adiantum Capillus- Veneris Aspidium Thelypteris 



Asplenium lanceolatum Grammitis Ceterach 



Of four others either the range is undeterminedj or their specific 

 distinctness is questionable. — 



Hymenophyllum tunbridgense Aspidium angulare 



Aspidium aculeatum dumetorum 



" Two remaining species, if ever found in England, and not now 

 extinct, are exceedingly local in the north of England." — 



Asplenium fontanum Trichomanes 'breTisetum 



The author observes that more complete and accurate observations 

 are yet required " with regard to the limits of ferns in ascending the 

 mountains ; " and refers to Francis's * Analysis of British Fems ' as 

 containing nearly all that has been published on the subject. Five 

 are mentioned as certainly rising " almost to the summits of the high- 

 est hills in Scotland," being found at an elevation of between 3000 

 and 4000 feet ; the two first probably above 4000 feet. 



Cryptogramma crispa Aspidium (dilatatum ?) 



Blechnum boreale Lonchitis 



Polypodium Phegopteris 



The following occur " at a lower elevation, but still probably above 

 2000 feet, and some perhaps above 3000 feet." — 



Botrychium Lunaria Asplenium viride Cistopteris fragilis 



Woodsia hyperborea Cistopteris alpina Polypodium vulgare 



ilrensis deutata 



" On quitting the mountain tracts, we leave the four following spe- 

 cies behind us : " — 



Woodsia hyperborea Aspidium Lonchitis 



ilvensis Asplenium viride 



Two others, being rare on the isolated lower hills, may be classed 

 with the mountain ferns. — 



Cryptogramma crispa Asplenium septentrionale 



