I2STDBX 
TO THE 
GENERA AND SPECIES OF DERBYSHIRE FERNS, 
AS ARRANGED IN THIS BOOK. 
Page 
Athyrium Filix-Fcemina . 1 
-Filix-Foemina. Yar: Irriguum . 2 
Lastrea Filix-Mas ... 3 
— Dilatata ... 4 
-Spinulosa. 5 
-Oreopteris . . . 6 
Polypoclium Vulgare . 7 
-Phegopteris . 8 
-— Dryopteris . 9 
-Calcareum . 10 
Polystictium Angulare . 11 
--Aculeatum . 12 
Blechnum Boreale. 13 
Ptei is Aquilina. 14 
Cystopteris Fragilis. 15 
Asplenium Adiantum-nigrum . 16 
-Trichomanes. 17 
-Yiride . 13 
-Buta-Muraria . 19 
Ceterach Officinarum . 20 
Scolopendrium Vulgar© . 21 
Osmunda Begalis. 22 
Botrychium Lunaria . .. .-. . 23 
Ophioglossum Yulgatum . 24 
( Hymenophyllum). vdi 
(Cryptogramma crispa) . . . . 
