INDEX. 
163 
c. 
Camptosorus rhizophyllus, 14 
Caterpillars, 62 
Caudate forms, 24 
Ceterach officinarum, 28, 29, 84 
Coal Exchange, fossil Ferns at, 7 
Coal, origin of, 7 
Congestion, 23 
Cool treatment, need for, 61 
Cork baskets, &c., 45 
Cormite forms, 24 
Cristation, 22 
Cryptogramme crispa, 28, 73 
Culture, 27 
Cystopteris, 32, 100 
alpina, 101 
fragilis, 100 
f. Dickieana, 101 
f. Dick, crispa, 101 
f. sempervirens, 101 
f. semp. cristata, 101 
montana, 101 
regia, 101 
D. 
Depauperation, 24 
Division, Fern mode of, 31 
Drainage, 27 
Dwarf forms, 23 
E. 
Economic value of Ferns, 8 
Evolution in Ferns (Plate I.), 21, 
90 
F. 
Ferneries, 56 
in windows, 57, 60 
Fern foes, 61 
hunting, 7, 10 
pots, pans, &c., 45 
Fern wall-tiles. Booty’s, 51 
Ferns, antiquity of, 7 
deciduous, 29 
distinctive characters of, 9, 
36 
economic value, 8 
evergreen, 29 
fecundity of, 13, 35 
filmy, 32, 58, 59, 145 
fossil, 7 
inconstancy in, 20, 22, 96 
in sunny gardens, 53 
vitality of, 15 
Flower-pots, Scotch, 54 
Fossil Ferns, 7 
Fumigation, 65 
G. 
Green-fly, 64 
Grubs, 62 
Gymnogramma leptophylla, 102 
Gymnogram, small-leaved (G. lep- 
tophylla), 102 
H. 
Habitats, congenial, 8 
Hard Fern (Blechnum Spicant), 
(Plate III.), 20, 25, 28, 
29, 30, 93 
Hartstongue (Scolopendrium vul- 
gare), (Plate VIL), 9, 13, 
14, 20, 24, 25, 28, 29, 
42, 135 
Holly Fern (Polystichum Lonchi- 
tis), 125 
Hybridisation, 43 
Hymenophyllum tunbridgense, 58, 
59, 145 
unilaterale, 58, 59, 146 
I. 
Inconstancy in Ferns, 20, 22, 96 
Indusium, 71 
