§iIg|aWial |nte at '§um, 



Abbreviata, Dryopteris, 198 

 Abbreviatum, Polysticbum, 192 

 Acrostichum alpiimm, 80 



hyperboreum, 80 



Ilvense, 73, 79 



leptophyllum, 12 



septentrionale, 265 



Thelypteris, 124 

 Aculeatum, Polipodium, 112 



Polypodium, 111, 117 



Polysticbum, 111, 112 



var. Lonchitidoides, Polysti- 

 cbum, 115 

 Acutum, Asplenium, 230 



Adiantum-nigrum var., As- 

 plenium, 330 

 ADDER'S TONGUE, 325 

 Adiantdm, 1 



Capillus-Venebis, 1 



dissectum, 7 



tenerum, 7 



Trapeziferme, 235 



Trapeziforme, 235 

 Adiantum-nigrum, Asplenium, 225, 

 230 



var. acutum, Asplenium, 230 



var. fi., Asplenium, 230 



var. Vu'gilii, Asplenium, 230 

 AfSne, Aspidium, 1 87 



Polysticbum, 187 

 Affinis, Dryopteris, 187 

 Alatum, HymenophyDum, 284 



foeniseciia., Nepbrodium, 142 



Tricbomanes, 284 

 AixosoBus, 85 



aquiUnus, 24 



CEispus, 35, 36 

 Alpestre, Aspidium, 200 



Polypodium, 200 



Pseudathyrium, 200 



Alpina, Woodsia, 79, 80 

 ALPINE LADY FERN, 199 

 Alpinum, Acrosticbum, 80 

 Altemifobum, Asplenium, 258 

 Amesidm, 253 



f GEHMANIODM, 358 

 RUTA-MUKAEIA, 254 

 SEPTENTEIONAI.E, 265 



Anceps, Asplenium, 249 

 Andrews' Bristle Fern, 292 

 Andrewsii, radioans var., Tricbo- 

 manes, 292 

 Angulare, Aspidium, 117 



Polysticbum, 117 

 Angusta, Lopbodium ? 182 

 Angustata, Cystea, 88 

 ANNUAL MAIDEN-HAIR, 11 

 Aquilina, Eupteris, 23, 24 



Pteris, 23 

 AquiUnus, Allosorus, 24 

 Aracbnoidea, Pteris, 25 

 Arvonicum, Polypodium, 72 

 Aspidium affine, 187, 148 



alpestre, 200 



angulare, 117 



cristatum, 170, 184 



dilatatum, 148 



dilatatum, t)ar. reourvum, 137 



dumetorum, 137, 148 



erosum, 188 



Filix-foemina, 208 



FiliK-mas, 184 



Filix-mas fi., erosum, 187 



irriguum, 208 



lobatum, 112 



Loncbitis, 104 



montanum, 98 



munitum, 115 



Oreopteris, 130 



recurvum, 187 



2 X 



