INDEX TO ILLUSTRATIONS, 
o a 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
>3 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
27 
28 
29 
30 
31 
Fro 
32 
33 
34 
35 
3 6 
37 
38 
39 
40 
4 T 
42 
43 
44 
45 
46 
Species and Variety. 
Woodsia Ilvensis 
„ hyperborea 
Hymenophyllum unilaterale 
,, Tunbridgense ... 
Cystopteris fragilis 
,, montana 
Adiantum Capillus- Veneris ... 
Cryptogramme crispa 
Pteris aquilina 
Asplenium Trichomatics, var. Clapbami 
,, ,, var. cristatum 
,, septentrionale 
„ marinum ... _ 
,, ,, var. imbricatum 
,, Gcrmanicum 
,, Ruta muraria, var. ramosum 
„ Adiantum nigrum, var. grandiceps 
,, fontanum 
,, ,, var. depauperatum 
,, lanceolatum 
,, Filix-fcemina, var. glomeratum 
,, ,, var. orbiculatum 
,, ,, var. Elworthii 
,, ,, var. Fieldae 
,, ,, var. Barnesii 
„ ,, var. Frizelliae 
,, Ceterach 
Scolopcndrium vulgare, var. Edwardsii 
,, ,, var. constellatum 
,, ,, var. sinum 
,, ,, var. kraspedoumenon 
nt. „ ,, var. Viviparum 
,, omnilacerum Lowei 
Aspidium lonchitis ... 
,, aculeatum, var. acrocladon 
,, angulare, var. confluens 
,, ,, var. rotundatum 
Nephrodium thelypteris 
,, montanum 
,, Filix-mas 
,, paleaceum, var. crispulum 
,, cristatum ... ... 
,, spinulosum ... 
Polypodium Robertianum 
,, alpestrc 
,, vulgare 
Gymnogramme lcptopbylla 
Description 
OF WOODCUT. 
C3 
A plant 
19 
19 
Fructification : 
20 
21 
J» **• 
23 
25 
26 
It ... ... 
28 
it ••• •** 
Incised 
29 
3 5 
Cresting 
37 
Upper portion of frond .. 
39 
Fertile pinna; 
40 
I mbricated frond 
41 
F rond 
Branching frond... 
44 
Capitate head 
46 
Portion of frond 
47 
Depauperation 
48 
Tip of frond 
49 
Bunch-cresting 
52 
Capitate head 
53 
Cresting 
55 
Pinna, showing cruciation 
Pinna, showing feathery 
58 
character 
63 
T.unulate character 
68 
Frond 
70 
Ramose cresting 
72 
Branching and cresting 
76 
Pouch 
S3 
Showing marginal line 
94 
and teeth 
Showing bulbiferous plants 
2 
Tip of frond 
97 
Pinna 
TOO 
Capitation 
IOI 
Depauperation 
IO4 
Portion of frond 
122 
Fructification 
128 
II 
128 
Upper pinnae, showing 
bunch-cresting 
’33 
’39 
Pinna, showing fructifi- 
cation 
>43 
11 ••• ••• 
>45 
11 ••• ••• 
150 
Lobe 
>5> 
1 5 1 
Frond 
>57 
10 
