CONTENTS. 9 
Aspidium Lonchitis, Swartz (subsection Polystichum 
) 
VARIETIES. 
5 
I’AGE 
IOO 
„ aculeatum, Swartz ,, 
29 
IOO 
,, angulare, Kitaibcl ,, 
IO3 
Section ramosum . . . . 
13 
105 
,, grandiceps .... 
20 
106 
,, cristatum .... 
2 5 
107 
,, polydactylum 
13 
108 
,, brachiatum .... 
18 
IO9 
,, cruciatum .... 
IO 
no 
,, congestum .... 
!S 
III 
,, alatum .... 
7 
III 
,, flexuosum .... 
8 
1 1 2 
,, stipatum .... 
7 
113 
, , plumosum .... 
. II 
11 3 
,, foliosum .... 
r 3 
114 
,, pulcherrimum 
3 
114 
,, macropinnulum . 
8 
U5 
, , laxum 
5 
115 
,, decompositum 
17 
I l6 
,, acutilobum .... 
25 
117 
,, divisolobum 
3 1 
118 
,, plumoso-divisolobum . 
8 
120 
,, multilobum . 
20 
I 21 
, , rotundatum . . , . 
15 
122 
,, lineare .... 
17 
123 
,, laciniatum .... 
2 5 
124 
,, setosuni .... 
7 
125 
,, perserratum 
5 
126 
,, deltoideum .... 
7 
126 
,, angustatum 
4 
12 7 
,, variegatum .... 
9 
127 
Nephrodium thelypteris, Dcsvaux (subsection Lastrea) 
. none 
128 
„ montanum, Baker ,, 
77 
128 
,, Filix-mas, Richard ,, 
52 
133 
,, paleaceum, Don 
40 
138 
,, propinquum, Leave ,, 
28 
141 
,, cristatum, Michaux ,, 
5 
J 43 
,, rigidum, Dcsvaux ,, 
6 
144 
,, spinulosum, Dcsvaux ,, 
145 
Section tenrulum .... 
6 
146 
„ alpinum .... 
2 3 
147 
„ dilatatum .... 
17 
148 
Polypodium Phegopteris, Linnceus 
6 
149 
„ Dryopteris, Linnceus 
. none 
150 
Robertianum, Hoffmann . 
. none 
150 
,, alpestre, Hoppe .... 
4 
151 
„ vulgare, Linnceus .... 
151 
Section plumosum 
17 
IS 2 
,, cristatum. 
15 
T 53 
,, semilacerum 
14 
154 
,, anomalum 
Gymnogramme leptophylla, Dcsvaux . 
. 28 
T 55 
none 
157 
Osmunda regalis, Linnceus 
8 
157 
Botrychium Lunaria, Swartz .... 
none 
158 
Ophioglossum vulgatum, Linnceus 
0 
139 
Number of species. 45 
,, varieties, 1794 
Concluding Remarks 
159 
Additional Varieties 
165 
