CLASSIFIED INDEX 



TO 



NATURAL ORDERS, GENERA AND SPECIES 



Described in this -work. 



Pteridophyta. 



Order Filicineae. 

 7n<5,?HYMENOPHYLLE;E, 



HYMENOPHYLLUM tunbridg- 



ense, 15 ; unilaterale, 17 

 TRICHOMANES radicans, 19 

 Tribe POLYPODIE/E, 22 

 ADIANTUM capillus-veneris, 22 

 PTERIS aquilina, 24 

 CRYPTOGRAMME crispa, 28 

 LOMARIA spicant, 30 

 ASPLENIUM ruta-muraria, 33; 



germanicum, 34 ; septentrionale, 



35 ; trichomanes, 37 ; viride, 38 ; 



marinum, 40 ; lanceolatum, 41 ; 



adiantum-nigrum, 43 ; filix-foe- 



mina, 45 ; ceterach, 48 

 SCOLOPENDRIUM vulgare, 51 

 WOODSIA hyperborea, 54; il- 



vensis, 55 



(. i 



CYSTOPTERIS fragilis, 57; al- 



pina, 58; montana, 59 

 ASPIDIUM lonchitis, 61 ; aculea- 



tum, 63 ; (sub-sp.) lobatum, 63 ; 



angulare, 64 

 NEPHRODIUM filix-mas, 66; 



rigidum, 68 ; cristatum, 69 ; 



spinulosum, 71 ; dilatatum, 73 ; 



remotum, 75 ; semulum, 75 ; 



thelypteris, 76 ; oreopteris, 78 

 POLYPODIUM vulgare, 80 ; phe- 



gopteris, 83 ; dryopteris, 85 ; 



robertianum, 87 ; alpestre, 88 

 GYMNOGRAMME leptophylla, 90 

 Tribe OSMUNDE^, 91 

 OSMUNDA regalis, 91 



Tribe OPHIOGLOSSE/E, 94 

 OPHIOGLOSSUM vulgatum, 94 ; 



lusitanicum, 96 

 BOTRYCHIUM lunaria, 98; ma- 



tricarisefolium, 99 

 ) L 



