GENERAL INDEX. 
Note. — The names in Italics indieate the genus in which the species is or 
has been placed. The termination of specific names occurring in this Index is 
not altered in accordance with the gender of the genus. Names employed be- 
fore the binominal nomenclature of Linneus, and then discontinued, are not in- 
dexed. When var. occurs after a name, it is supposed to rank as a variety only. 
A. 
Abbreviatum, Polystichum^ 202 
Acrostichum, 14, 140 
Aculeatum, Aspidiwn, 169, 175 
„ Polypodium., 11 , 170 
,, Polystichum., 169 
Acutum, Asplenium, 423 
„ „ var. 259 
Adiantum, 8, 83 
Adiantum-nigrum, Asplenium, 255, 423 
Adder’s-tongue, 349 
Alatum, Hymenophyllum., 311 
„ Trichomanes^^W 
Allosorus, 13, 103 
Alpinum, Acrostichum^ 139, 144 
„ Cistopteris, 149 
„ Cyathea, 419 
„ Equisetum, var. 48 
„ Lycopodium, 365 
„ Woodsia., 143 
Alternifolium, Asplenium, 265 
„ Amesium, 10 
Amesium, 10 
Andrewsii, Trichomanes, var. 315 
Angulare, Aspidium, 173 
„ Polystichum, 173, 175 
Angustata, Cystea, 149, 156 
Annotinum, Lycopodium, 361 
Anthriscifolia, Cyathea, 418 
Aquilina, Pteris, 93 
Arenarium, Equisetum, 41 
Arvense, „ 77, 413 
Arvonicum, Polypodium, 139, 140 
Asplenium, 10, 249,-422 
Athyrium, 238, 420 
B. 
Beech Fern, 115 
Black Spleenwort, 255 
Blechnum, 89 
Boreale, Blechnum, 89 
Botrychium, 15, 337 
Brakes, common, 93 
„ Rock, 103 
Bree’s Fern, 225 
Brevisetum, Trichomanes, 305 
Breynii, Asplenium, 266 
Bristle fern, 305 
Brittle fern, 149 
C. 
Calcareum, Polypodium, 131 
Callipteris, „ 12,205 
„ Lastrcea, 12 
Cambricum, Polypodium, var. 114 
Campanulatum, Equisetum, 41 
Capillus-Veneris, Adiantum, 83 
Ceterach, 293 
„ Asplenium, 9, 300 
„ Grammitis, 9, 302 
„ Gymnogramma, 9 
„ Notolepeum, 9 
„ Scolopendrium, 293 
Cistopteris, 149 
Clavatum, Lycopodium, 353 
Club-moss, Common, 353 
„ Fir, 375 
„ Interrupted, 361 
„ Marsh, 369 
„ Prickly, 371 
„ Savin-leaved, 365 
]} 
