BRITISH FERNS. 
153 
Great Britain and Ireland, and in the following list of them I 
have separated the scarce kinds from those which are more 
common, that cultivators may have a better idea of the value of 
those they possess, and a guide to their future additions. 
RARE SPECIES. 
Asplenium viride* 
lanceolata 
septentrionale 
Aspidium Lonchitis 
Athyrium molle 
Ceterach officinarum 
Cryptogramma crispa* 
Cystopteris alpina* 
montana* 
Lastrea Thelypteris 
cristata 
rigida* 
spinosa* 
Polypodium Phegopteris 
caleareum 
Trichomanes speciosum* 
Woodsia ilvensis 
a intermedia 
Hymenophyllum Wilsoni* fi hyperborea. 
Tunbridgense* 
COMMON SPECIES. 
Adiantum Capillus-Veneris* 
Asplenium Trichomanes 
Adiantum-nigrum 
Ruta-muraria* 
a alternifolium* 
marinum 
Aspidium aculeatum 
a angulare 
lobatum 
a lonchitidoides 
Athyrium Filix foemina 
rhseticum 
Blechnum boreale 
Botrychium Lunaria* 
Cystopteris fragilis 
a angustata 
/3 dentata 
y regia 
Lastrea Oreopteris 
Filix-mas 
dilatata 
a dumetorum 
(3 recurva 
Ophioglossum vulgatum 
Osmunda regalis 
Polipodium Dryopteris 
vulgare 
a cambricum 
/3 serratum 
Pteris aquilina 
Scolopendrium vulgare*. 
Those having an asterisk affixed are most suitable for culture 
in glass cases. 
j. t: s. 
