INDEX TO GENERA AND SUBGENERA. 



[Names of subgenera are given in italics.] 



Page. 



Achrostiehum 137 



Adiantum 92 



AUantodia 71 



Antrophyum 108 



Arctjpteris 33 



Arthropteris 45 



Aspidium 33 



Asplenium 76 



Athyyium 87 



Blechnum 89 



Callipteris 69 



Cheilanthes 95 



Cheiropleuria 137 



Christopteris Ill 



Coniogramme 66 



CyclopcUis 16 



Darca 86 



Davallia 52 



Dennstaedtia 57 



Diacalpe 14 



Didymochlaena 15 



Diplazium 71 



Dipteris 44 



Doryopteris 94 



Drymoglossum 112 



Drynaria 135 



Drynariopsis 133 



Dryo.stachyum 134 



Elaphoglossum 136 



GoniopMchiuin 123 



Gonioptrris 20 



Gymnopteris 41 



Hemionitis 67 



Histiopteris 104 



Humata 49 



Hymenolepis 110 



Hypolepis 95 



Lastraca 19 



Leoanopteris 133 



Lrurnstcfiia 50 



Lindsay a 59 



Lomaria 89 



Loxogramme 



Meniscium 



"Microlepia 



Monac'hosorum 

 Monogramme .. 

 MyriHCCophila.. 

 Neottiopteris.... 



Nephrodium 



Nephrolepis 



Niphobolus 



Nothochlaena .. 



Odontosoria 



Oleandra 



Onychium 



Paesia 



Photinopteris .. 

 Phymatodes .... 



Plagiogyria 



Plcocnemia 



Platycerium .... 



Polybotrya 



Polypodium 



Polystichum 



Prosaptia , 



' Pteridiuni 



Pteris 



Platytaenia 



Saccoloma 



Saycnia 



Schizoloma 



Selliguea 



Stenochlaena.... 



Stenosemla 



SynapMcbium.. 



Syngramme 



Taenitis 



Tectaria 



Triphlebia 



Vlttarla 



VVibelia 



Woodwardia .... 



Page. 

 68 

 32 

 55 

 58 



106 



132 

 78 

 18 

 46 



112 



97 



• 56 



48 



98 



105 



134 



124 

 97 

 34 



138 

 39 



115 

 16 

 52 



104 

 98 



111 

 52 

 33 

 58 



131 

 88 

 48 

 60 

 69 



111 

 34 

 87 



107 

 55 

 91 



139 



