35: 



INDEX 



Factor, limiting, i8i 



Female organs (archegonia), 15 



Fern, life-cycle of, 20, 21 (Fig. 28); starved 

 by unfavourable culture, 179 (Fig. 172) 



Fern-leaf, primitive type of, 337 



Fern- Plant, i 



Ferns, branching in, 79; epiphytic, 43, 44 ; 

 Eusporangiate, 242, 244 ; Filmy, 41, 

 54 ; Leptosporangiate, 244 ; segmenta- 

 tion in Eusporangiate, in; solenostelic 

 stem of, 155 (Fig. 149); stems of, 189 

 (Fig. 180); differences of number of 

 spermatocytes in, 291 (Fig. 28i);anthe- 

 ridia of, seen in surface view, 293 

 (Fig. 283) 



Fern-sporophyte, primitive, 337 



Fertile leaf of Leptochilus tricnspis^ 234 

 (Fig. 233) ; pinna oi Dipferis Lobbiana^ 

 227 (Fig. 222); pinnule oi Khikiaexilis^ 

 252 (Fig. 248) 



Fertilisation in Oiioclea senszbihs, 1 8 (Fig. 22) 



Filament, simple, 342 ; transversely septate, 

 . 301 



Filamentous construction, 342 ; origin, 346 ; 

 type of prothallus, 275 (Fig. 266), 278, 

 280 (Fig. 270) 



Filmy Ferns, 41, 54 



First leaf, 311 ; root, 312, 345 



Fission of sorus, 227 



Flange, 239 (Fig. 237); indusial, 238 



Floating habit, 48 



Foliar gap, 142, 145 



Foot, 19, 310, 345 



Fossil Osmundaceae, 129 ; actual size of 

 steles of, 184 (Fig. 176) 



Frond, 81 



Fructification of Ptychocarpus unitiis^ 210 

 (Fig. 201) 



Fungus, symbiotic, 284 (Fig. 274) 



Fusion of sori, 227 ; of veins, 64 



Fusion-sori of Lindsay a lancea^ 228 (Fig. 

 225) 



Fusion-sorus, 228, 229 (Fig. 227); disinte- 

 gration of, 230 (Fig. 228) ; oi Blechnwn 

 longifolhim, 229 (Fig. 227) 



Gametangia, 273, 285, 295 ; analogies be- 

 tween, and sporangia, 285, 289; ar- 

 rangement of, 278 ; homology of, 289 ; 

 male and female, 2S5 



Gametophyte, 21, 273; comparison based 

 on, 295 ; haploid, 21 



Gametophytic budding, 15, 320 



Gaps, foliar, 142, 145 



Gemmae, 15; of Trichonianes, 280; of 

 TricJiomanes alatiim^ 281 (Fig. 271) 



Generations, alternating, 21 



Germination of spores, 15 (Fig. 18) 



Glands, water, of Polypodiiim znilgare^ 205 

 (Fig. 196) 



Glandular hairs, 198 ; oi Notholaena h-icho- 

 manoides^ 199 (Fig. 186) 



Gleicheiiia, sorus of, 208 



G. dicarpa^ base of petiole of, 170 (Fig. 



164) 

 G. flabellata, 142 (Fig. 132); protostele 



of rhizome of, 141 (Fig. 131); sori of, 



209 (Fig. 200) 

 G. pectinata, juvenile plant of, 188 (Fig. 



179); plan of stelar construction, 144 



(Fig. 134); solenostelic structure of, 



143 (Fig. 133) ; sorus of, 212 (Fig. 203); 



stiff hairs of, 202 

 Gleicheniaceae, 54 

 Glochidia, 261, 268, 269 (Fig. 264) 

 Gradatae, 213 

 Gradate sorus, 212 

 GymnograniDie japonica^ vascular system of, 



167 (Fig. 160) 



Habit, 26; creeping, 32, 33; dendroid, 30; 

 epiphytic, 35, 45, 46 (Fig. 53) ; floating, 

 48 ; monophyllous, 3 1 ; nest, 44 ; scan- 

 dent, 35 ; upright, 29; xerophytic, 41 



Habitat, 26 



Hairs, 195, 197; &Q^\%&\.o\A^oi Bot7yoptet-is 

 fo?-ensis, 199 (Fig. 187) ; glandular, 198 ; 

 glandular, of Notlwlaena trichonianoi- 

 des, 199 (Fig. 186) ; indusial, 239 ; muci- 

 laginous, of Blechnuin, 197 (Fig. 185); 

 on prothalli, 277 (Fig. 268) ; peltate, 239 ; 

 simple linear, 198; stellate, of Polypo- 

 diiim lingua, 200 (Fig. 188) ; stiff, of 

 Gleichenia pectinata, 202 



Haploid gametophyte, 21 ; generation, 323; 

 sporophyte of Lastraea pseudo-mas, 

 var. cristata, 326 



Haustorium, 310, 345 



Helicoid branching, 88 



HebnintJiostacliys, 131; embryo of, 304 

 (Fig. 288); root of, 175; saprophytic 

 prothallus of, 283 ; suspensor of, 304 ; 

 young plant of, 184 

 H. zeylanica, 31 (Fig. 37); endodermis 

 of, 181 (Fig. 173); prothalli and sexual 

 organs of, 283 (Fig 274) 



Hemisphere, epibasal, 19, 311 ; hypobasal, 

 312 



Hemiteha capensis, aphlebiae of, 99 (Fig.95) 

 H. grandifolia, scales of, 202 (Fig. 191) 



Heterospory, 267 



Histiopteris incisa, corrugation of soleno- 

 stele of, 151 (Fig. 143); young sori of, 

 224 (Fig. 219) 



Homology of gametangia, 289 



Homoplasy, 343 



Hor?iea Lignieri, reconstruction of, by 

 Kidston and Lang, 340 (Fig. 308) 



Hymenophyllaceae, 54, 115 



Hymenophyllian dilatatum, 282 (Fig. 273) 

 H. Wilsoni, sorus of, 212 (Fig. 204) 



Hypobasal hemisphere, 312; tier, 19, 301 



Hypolepis repens, pinnule of, 221 (Fig. 216) ; 

 young sorus of, 222 (Fig. 217) 



