INDEX 



>99 



giate, I ; Maidenhair, 78, 80, 94 ; Meta- 

 xyoid, 233 sqq. (ch. XLVl), 238 ; Ono- 

 cleoid, 152 sqq. (ch. XLll); Pteroid, 14, 

 60, 274; Vittarioid, 239 sqq. (ch. XLVll), 

 282 



Fertile blade, of Cheiropleiiria 206 (Fig. 

 716); of Christopieris tricuspis., 214 

 (Fig. 722) 



Fertile pinna, oi Acrosficliian, 57 ; oi Adian- 

 tinii capillus-Vencris., 79 (Fig. 633); 

 of BlccJinuin attcuiiatiim., 174 (Fig. 

 696) ; of B. brasiliensis., 170 (Fig. 692) ; 

 of B. capense, 170 (Fig. 692) ; of ^. lan- 

 ceolatimi, 168 (Fig. 6go) ; of ^. spica/it, 

 169 (Fig. 691), 170 (Fig. 692); oi Diel- 

 liafalcata, 27 (Fig. 597) ; o{ Jamesonia 

 verttcalts, 70 (Fig. 629) ; of Neocheir- 

 opteris., 221 (Fig. 730); oi Stenochlaena, 

 175; of 5. sorbifolia., 178 (Fig. 699) 



Filicales, Primitive, 2 



Filiciun, Index, 4 



Flange, oi Blechnum, 173, 193; oi Blech- 

 nuni, a new structure, 165 ; of Casse- 

 beera., 193; oi Pellaeaintrainarginalis., 



193 



Fluctuating variations, 286, 292 ; may be- 

 come hereditary, 289 



Frontispiece, Christopieris tricuspis 



Fusion-sorus, 23 



Gametangia, 265 ; common origin of, 265 ; 

 comparison of, 267 ; protection of, 267 



Gametophyte of Acrosticiitiin aiireuni., 60 ; 

 o{A)iogram)ne., 75 ; of Shield Fern, 126; 

 of Vittarieae, 245 (Fig. 745); of Vit- 

 tarioid Ferns, 239 



Genera incertae sedis, 3, 192, 249 sqq. (ch. 

 XLVIII) ; Oleandra, 23 



General bias or tendency of initiative, 



293 



Geographical history of Matonioid-Dipte- 

 roid Ferns, 231 



Geological time, latitude of, 291 



Germ cells, 291, 292 



Glands of Bracken {Pteridinni), 41 



Gleichenia., 115, 116, 276 



Gleicheniaceae, 272, 275 



Goniopteris, 127, 131; venation of, 132 



Gradate sorus, 1 1, 273 



Grammitideae, 63 



Gymnograninie, 75, 92, 97, 281, 283 

 G. jap077ica, 76 



Gymnogrammoid Ferns, 63 J'^^. (ch.XXXlx), 

 281 ; central group of, 75, 93 ; compari- 

 son of, 92 ; evolutionary place of, 96 ; 

 grouping of, 63, 97 ; question of phyletic 

 unity, 64 ; relation to Vittarieae, 247 



Gymnogrammoid state, origin of, 63 



Gymnogrammoids, 2 ; anatomy of, 95 



Gymnopteris, 75, 97 

 G. tricuspis., 213 



Habit, of Acrophorus., 130; of Anetium, 

 243 ; of Adiautum, 78, 79 (Fig. 633) ; 

 of Blecluuou puiictulatum Sw. var. 

 Krebsii Kunze, 185 ; of ^. tabulare, 164 

 (Fig. 686), 166; oi Ceratopteris, 70; of 

 Cheilanthes., 87 ; of C/ieiropleuria, 201 

 (Fig. 709) ; of C. bicuspis, 200 ; of Chris- 

 tflpteris tricuspis, 213 (Frontispiece), 

 214 (Fig. 722); of Common Bracken, 

 41 ; of Cryptograinnie crispa, 67 (Fig. 

 62^) ; oi Diacalpe, 105; oi Doryopteris, 

 84 ; of Elap/ioglossuiu, 235 ; of E. con- 

 forme, 236 (Fig. 737) ; of Hccistopteris 

 puinila, 243 (Fig. 743) ; oi Hynienolepis 

 spicata, 211; of Hypoderris, loi (Fig. 

 646), 104; oi Hypolepis, 7; oi Jame- 

 sonia, 69 (Fig. 628); oi Llaiiea cordi- 

 folia, 66 (Fig. 624); of Male Shield 

 Fern, 122; oi Matteuccia ititermedia, 

 1 56 (Fig. 682) ; of Neocheiropterispalm- 

 atopedata, 218, 219 (Fig. 727); oi No- 

 tholaena, 90; of Oiioclea sensibilis, 153 

 (Fig. 678), 157; oiPellaea, 81, 82 (Fig. 

 636), 87 ; oiPeranetna, 107 ; oiPhyllitis 

 iiigripes, 191 (Fig. 708) ; oiPlatycerium, 

 207 ; oi Prosaptia, 255 ; oiStenochlaena 

 sorbifolia, 175 ; of Syiigramme, 234 ; of 

 Tris)iieria,lb ; of Vittarioid Ferns, 239 ; 

 of Woodsia, 99, loi (Fig. 646) 



Hairs, dermal, 275; of Botryopteris, 270; 

 of Bracken, 41 ; of Chair op leuria, 202 ; 

 oi Diacalpe, 100; oi Jainesonia, 70; of 

 Notholaena,()i ; of Paesia, 46 ; oiPlaty- 

 ceriiun, 211 ; of Woodsia, 100 



Hard Fern, 1 69 



Hart's Tongue {Phyllitis Scolopendrium), 

 anatomy of, 188; sori of, 189, 196 



Hccistopteris, 239, 243, 246, 248 ; juvenile 

 leaves of, 247 (Fig. 746) ; spicular cells 

 of, 240 

 H.pumila, habit of, 243 (Fig. 743) ; precoci- 

 ty of,243, 246; prothallus of, 245 (Fig.745) 



HelmintJiostachys, 270 



Hemionitis, 75, 97, 281 

 H. piiinata, 85 



Hemitelia, 115, \\b, 124 



Heritable characters, origin of, 287 



HeteropJilebium, 56 



Heteropteris, 192, 255 



Heterospory, 267 



Hewardia. 94 



Histiopteris, 48, 61 ; coenosori of, 49; leaf- 

 trace of, 48 ; solenostele of, 48 

 H. incisa, 48, 289; leaf-segments of, 49 

 (Fig. 614); solenostele of, 49 (Fig. 613); 

 soral origin of, 50 (Fig. 615); sorus of, 

 51 (Fig. 616) 



History oi Deparia, 257; oi Prosaptia, 254 



Holly Fern, 1 2 1 



Homoplastic adaptation, 291 ; development, 

 231 



