INDEX. 
165 
o. 
Oak Fern (Polypodium Dry op - 
teris), 28, 29, 117 
Opkioglossum vulgatum, 9, 98 
Osmunda regalis, 40, 113 
regalis cristata, 114 
r. ramo-cristata, 114 
P. 
Parsley Fern (Allosorus crispus), 
28, 73 
Plumation, 23 
Polypodium calcareum, 118 
Dryopteris, 28, 29, 117 
Phegopteris, 28, 29, 118 
P. multifidum, 119 
Eobertianum (P, calcareum), 
118 
vulgare (Plate V.), 9, 11, 25, 
28, 29, 32, 35, 119 
V. bifido-cristatum, 44, 120 
V. cambricum, 20, 120 
V. camb. Prestonii, 120 
V. Clapbamii, 44, 121 
V. cornubiense, 120 
V. cristatum, 121 
V. crist., Forster, 121 
V. crist., Scarboro’, 121 
V. elegantissimum, 44, 120 
V. Fowlerii, 120 
V. glomeratum, 122 
V. grandiceps, 122 
V. grandiceps, Parker, 122 
V. multifido-cristatum, 122 
V. omnilacerum, 122 
V. parvissimum, 122 
V. plumosum, Hadwin, 122 
V. pulcherrimum, 122 
V. ramosum, Hillman, 122 
V. trichomanoides, 120 
Polypody, Common (Polypodium 
vulgare) (Plate V.), 9, 11, 
25, 28, 29, 32, 35, 119 
Limestone (P. calcareum), 118 
Polystichums (Plate VI.), 9, 22, 
25, 28, 29, 124 
Polysticbum aculeatum, 125 
ac. acrocladon, 126 
ac. acutilobum, 126 
ac. corymbiferum, 126 
ac. cristato-gracile, 126 
ac. pulcberrimum, 126 
angulare, 126 
ang. acrocladon, 127 
ang. attenuato-cristatum, 127 
ang. bracbiato-crist., Keall, 
127 
ang. brachiato- cristatum, W ills 
and Gray, 127 
ang. capitatum, 128 
ang. congestum, 128 
ang. crispato-foliosum, 128 
ang. cristato-gracile, 128 
ang. cristatum, Wollaston, 128 
ang. cruciatum, 128 
ang. divisilobum cristatum, 
Ivery, 128 
ang. div. densum, 129 
ang. div. laxum, 128 
ang. div. plumosum densum, 
Jones, 128 
ang. div. robustum, 128 
ang. div. stipulatum, 129 
ang. grandiceps, J. Jones, 129 
ang. grandiceps, Moly, 129 
ang. grandiceps, Talbot, 129 
ang. Lyellii, 129 
ang. multilobum densum, Car- 
bonell, 129 
ang. parvissimum, 129 
ang. Pateyii, 129 
ang. pendens, Wills, 130 
ang. perserratum, Patey, 130 
ang. plumosum, Patey, 129 
ang. plum., Wollaston, 129 
ang. polydactylum, 130 
ang. polyd. grande, 130 
ang. polyd. splendens, 130 
ang. proliferum, Allchinii, 130 
ang. prol. Craufordianum, 130 
ang. prol. densum, 130 
ang. prol. Henleyse, 130 
ang. prol. Lyellii, 130 
ang. prol. Wollastonii, 130 
ang. pulcherrimum, Moly, 130 
ang. pulch., Padley, 130, 159 
