INDEX 



Acrostichea, 10 

 Adder's Tongue, 1 1 

 Adiantum capilhis-veneris, 9, 



41 



Algae, I 



Alpine Club Moss, 105 

 Alpine Polypody, 92 

 Alpine Woodsia, 61 

 Alternate-leaved Spleenwort, 



69 



Alternation of generation, 2 

 Annual Maidenhair, 10, 100 

 Annulus, 8, 14 

 Antheridia, 17 

 Archegonia, 17 

 Aspidiece, IO, 46 

 Aspidium aculeatum, 59 



angulare, 60 



filix-mas, 46 



lonchitis, 57 

 Aspleniece, 10, 66 

 Asplenium, adiantum-nigrum, 

 10, 73 



bulbiferum, 3 



ceterach, 77 



Jilix-femina, 66 



germanicum, 69 * 



lanceolatum, 74 



marinum, 75 



ruta-muraria, 10, 7 



septentrionale, 68 



trichomanes, 78 



viride, 80 



Athyrium filix-femina, IO, 66 

 Azolla, 7, 12, no 



Beech Fern, IO, 89 



Bennittitea, 25 



Black Maidenhair Spleenwort, 



io,73 



Bladder Ferns, 10 

 Blechnum boreale, 84 



spicant, 84 



Blunt-topped Horsetail, 116 

 Botrychium lunaria, 1 1, 98 

 Bracken Fern, 3, 9, 29, 38 

 Bristle Fern, 8, 33, 131 

 Brittle Bladder Fern, 63 

 Buck's Horn Plantain, 69 



Calamites, 28 



Calamus, 28 



Caudex, 4 



Ceterach officinarum, 77 



Classification of Ferns, 7 etseq. 



Club Mosses, 6, 12, 26, 101 



Classification of, 32 



Economic importance of, 32 



Life histories of, 30 et seq. 



Number of species of, 30 

 Coal deposits, 25, 31 

 Common Adder's Tongue, 96 

 Common Club Moss, 12, 19, 



101 



Common Polypody, 26 

 Common Rue, 71 

 Conifers, 27 



Crested Buckler Fern, 53 

 Cryptogamme crispus, 9, 44 

 Cryptogams, 2 

 Cyatheacea, II 



