INDEX. 
127 
0 . 
Oak Fern, 89 
Oblong, or Ray’s Woodsia, 103 
Ophioglossum lusitanicum, 83 
,, vulgatum, 81 
Osmunda regalis, 83 
P. 
Parsley Fern, 29 
Pillwort, Common, no 
Pilularia globulifera, no 
Polyuodium alpestre, 88 
,, calcareum, 91 
„ Dryopteris, 89 
,, Phegopteris, 92 
., vulgare, 86 
Polypody, Alpine, 88 
,, Common, 86 
,, Limestone, 91 
„ Pale Mountain, 92 
Prickly Shield Fern, Common, 30 
Pteris aquilina, 94 
Q- 
Quillwort, 109 
„ Durieu’s, 109 
U. 
Ray’s Woodsia, 103 
Rooting Bristle Fern, 100 
Rough Alpine Shield Fern, 33 
Royal Fern 83 
S. 
Scaly Spleenwort, 64 
Scolopendrium vulgare, 97 
jj ,, crispum, 99 
}> ,, lacertum, 99 
>, ,, multifidum, 
100 
tt ,, polyschides, 
loo 
Sea Spleenwort, 60 
Smooth Rock Spleenwort, 55 
Spleenwort, Alternate-leaved, 57 
„ Black, 51 
,, Common Wall, 66 
,, Forked, 69 
,, Lanceolate, 58 
„ Scaly, 64 
,, Sea, 60 
j, Smooth Rock, 64 
T. 
Trichomanes radicans, ioo 
True Maidenhair, 25 
Tunbridge Hymenophyle, 78 
W. 
Wall Rue, 62 
Wilson’s Filmy Fern, 79 
Wolfs Claw, 105 
Woodsia hyperboiea, 104 
,, ilvensis, 103 
