6 



Polystichum angulare, vars. 

 Lastrsea Filix-mas, vars. 



remota 



cristata 



uliginosa 



spinulosa, vars. 



dilatata 

 Polypodium serratum 

 Gymnogramme leptophylla 

 O'phioglossum polyphyllum 



lusitanicum 

 Botrychium incisum 



lanceolatum 

 Equisetum serotinum 



Braunii 



pratense 



polystachyum 



Equisetum litorale 



Moorei 



trachyodon 



variegatum, vars. 

 Lycopodium recurvum 



annotinum 



complanatum 

 Isoetes Moorei 



ecliinospora 

 Chara fragilis, vars. 



fragifera 



connivens 



aspera, vars. 



baltica 



affinis 



contraria 



hispidula 



Chara papillosa 



tomentosa 



hispida, vars. 



vulgaris , , 



canescens 



Braunii 

 Lychnothamnus stelliger 

 Lamprothamnus 



alopecuroides 

 Tolypella nidifica 

 Nitella gracilis 



mucronata 



flexilis, vars. 



attenuata 



capitata 



Any species or varieties not included in the Eighth 

 Edition of the London Catalogue. 



