342 



INDEX 



marginal position of, 249 ; monangial, 

 163; monangial. of /,>'^(?<^///;/'^, 164 (Fig. 

 447); oiAlsophila^yx)-, oi Dennstaedtia 

 apiifolia^ 271 (Fig. 539) ; (mixed) of D. 

 rubigiiiosa, 271; of Dennstaedtiinae, 

 270 ; of Dicksonieae, 265 ; of Gleic/ienia 

 Jiabellata^ 203 ; of G. linearis^ 203, 204 

 (Fig. 487); of 6^. /^^//wrt/rt, 205 (Fig. 488); 

 of Gleicheniaceae, 216; of Hypolepis, 

 IT},; oi Lophosoria, 285 (Fig. 549); of 

 Loxsoma Cunninghami^ 253 (Fig. 521); 

 of Loxsomaceae, 255 ; oi Matonia pecti- 

 itata, 224 (Fig. 500); of Micro lepia 

 speliincae^ 272 (Fig. 540); oiOHgocarpia, 

 211 (Fig. 493); of Plagiogyria, 279, 

 (mixed) 281 ; of Stachypteris Hallei^ 

 258 (Fig. 526) ; of Thyrsopteris clegans^ 

 261 (Fig. 527); of TrichomaJies teneruni^ 

 241 (Fig. 511); simple, gradate, and 

 mixed types of, 3 



Spermatocytes of Dicranopteris^ 213; of 

 Eu-Gleicliciiia^ 213; oi Gleichenia^ 213; 

 oi Lygodiuin, 172 



Spermatozoids of Angiopteris, 120; of 

 Marsilea, 185 



Sphe?iopieris-\.y^&, 236; of leaf-construction, 

 248 



Spike, development of, 69; Fern-pinna theory 

 of, 88 ; fertile, in Ophioglossum^ 66 ; 

 fertile, of BotrycJiiiint tcr)iatuni^ 64 

 (Fig. 359); in B. 7'i?gu!!a;niin 65 (Fig. 

 2)6oB); of HelmintliostacJiys^ 49, 65 

 (Fig. 361), 72; oi H. zeylattica, J}, (Fig. 

 372) ; of Ophioglossiim vulgatum, 68 

 (Fig. 365); of O. pendulum^ b<^ (Figs. 

 366, 367) ; pinna-nature of, 88 ; pinna- 

 origin of fertile, 66 



Spikes, fertile, of Ophioglossaceae, 66; of 

 Ophioglossurn palmatiiiii^ 50, 51 (Fig. 

 343), 52 (Fig. 344), 65 (Fig. 362) ; of 

 O. pefiditlum^ 52 (Fig. 344) 



Sporangia, basipetal sequence of, 249; 

 "brevicide," 308; development of, 71; 

 "longicide," 308; "looking-glass" im- 

 ages of, 308; oi Anemia, 163; of ^. 

 Pky Hindis, 167 (Fig. 451) ; oi Boiryop- 

 teris forensis, 14 (Fig. 316), 16; B. 

 antiqua, 15 (Fig. 317); of Boiueria, 6, 

 151 ; of Cibotium Menziesii, 266 (Fig. 

 535) ; of Coenopteridaceae, 39 ; of 

 Coryneptc7'is, 39 ; of Cyatheaceae, 299, 

 300,301 (Fig. 563), 302; oi Dennstaedtia 

 apiifolia, 271 (Fig. 539) ; of Dennstaed- 

 tiinae, 271; of Dicksonieae, 265; of 

 Dipteridaceae, 316; of Dipteris Lob- 

 biana, 317 (Fig. 576); of Etapteris 

 Lacattei, 32 (Fig. 333); of Gleichenia 

 circinata, 206 (Fig. 489), 207 (Fig. 490) ; 

 of G. flabellata, 207 (Fig. 490) ; of 

 HchnintJiostachys, 74 (Fig. 374) ; of 

 Hymenophyllaceae, 240 ; of Hynicno- 

 phyllum dilatatum, 241 (Fig. 512); of 



Kidstonia, 151; of Lophosoria, 287 

 (Fig. 551); of Loxsomaceae, 255; of 

 Loxsomopsis notabilis, 256 (Fig. 524); 

 oi Lygodium, 163; oi L. japonicum, 167 

 (Fig. 451); of Marattiaceae, 109 (Fig. 

 402) ; of Matonia pectinata, 224 (Fig. 

 501); of Matoniaceae, 225 ; oi Mohria, 

 163; of M. caffrorum, 167 (Fig. 451); 

 of Ophioglossaceae, 66, 74 ; oiOstnunda, 

 1 29 ; of Osmundaceae, 6 ; oiPIagiogyria, 

 280 (Fig. 546); of Platysoma, 209 

 (Fig. 492); of Schisaea, 163; of S. 

 pennula, 167 (Fig. 451) ;ofSchizaeaceae, 

 157 (Fig. 441), 167 (Fig. 451); of 

 Stato-opteris, 39; of S. oldhamia, 31 

 (Fig- 332) ; of Thyrsoptcris elegants, 262 

 (Fig, 529); of Todea, 129; of T. barbara, 

 143; of Zygopterids, 30; (origin of) of 

 Schizaea ricpestris, 164 (Fig. 448) ; seg- 

 mentation of Hemitelia capensis, 302 

 (Fig. 566) 



Sporangia! development of Metaxya, 291 

 (Fig. 555); segmentation of Cyathe- 

 aceae, 302 ; stalks of Metaxya rostrata, 

 291 (Fig. 554) 



Sporangiogenic band, 67 



Sporangiophores, 72 ; of Hehninthostachys, 

 73 (Fig. 2,73)^ 74 (Fig. 374) 



Sporangium, characters of, 3 ; " distal face " 

 of, 168; in Botryc/iiuni daucijoliiini, 

 71 (Fig. 370); of Angiopteris evecta, 

 III (Fig. 404); oi Botrychiian dauci- 

 foliuni, 72 (Fig. 371); of Kidstonia 

 he?-acliensis, 169 (Fig. 454); oi Loxsoma 

 Ciinninghami, 253 (Fig. 521); oi Lygo- 

 diiim cifcinatum, 170 (Fig. 456); of 

 L. lanceolatum, 169 (Fig. 454) ; of 

 Marsileaceae, 184 ; oi Metaxya rostrata, 

 290 (Fig. 553); oi MoJiria caff)-oruin\ 

 166 (Fig. 450); of OpJiioglossinn, 6j ; 

 of O. 7-eticiilatum, 70 (Fig. 368) ; of 

 Osmunda regalis, 145 (Fig. 434); of 

 P/agiogyria, 279; oi Setiftenbergia, 168 

 (Fig. 452); of Todea barbara, 131 (Fig. 

 421) 



Spore-counts of Danaeopsis, 115; of Dip- 

 teridaceae, 321 ; of Gleicheiiia, 208; of 

 Hymenophyllaceae, 243 ; of Matonia, 

 225; oi Platyzoma, 210 



Sporelings, abnormal, of Osviunda regalis, 

 129 (Fig. 418) 



Spore-mother-cells of Gleichenia dichotoma, 

 209 (Fig. 491); of G. flabellata, 209 

 (Fig. 491) 



Spore-numbers of Osmundaceae, 150 



Spore-output, 3 ; of Cyatheaceae, 301 ; of 

 Marattiaceae, 112; of Osmunda, 145; 

 of Schizaeaceae, 170; of Todea, 145 



Spore-producing members of Gleicheni- 

 aceae, 203 ; of Marattiaceae, 108 ; of 

 Matoniaceae, 223 ; of Osmundaceae, 

 143; of Schizaeaceae, 163 



