354 



INDEX 



Mature sorus of Loxsoina Cwini)tg}iamii^ 



214 (Fig. 206) 

 Mechanisms, opening, 253 

 Medulla, 124 

 MeduUation, 124, 183 ; of Boirychium 



Liiftaria, 125 (Fig. 119) 

 Mega-gametangia, 290 

 Megasporangium, 268 (Fig. 263), 290 

 Megaspores, 267, 268 (Fig. 263) 

 Memoirs, anatomical, list of, 193 

 Meristele, 4 ; dichotomy of, of Schizaea 



dickotoi/ia, 172 (Fig. 166); of Bracken, 



5 (Fig. 4), 6 (Fig. 5); 6{ Loxsonia^ 165 



(Fig. 158) 

 Meristeles in petioles, 171 (Fig. 165) 

 Meristem, apical, 9 ; of leaf of Zygopteris 



corriigaia, 109 (Fig. 104) 

 Metaclepsydropsis duplex^ mixed pith of, 



127 ; stele of, 128 (Fig. 122) 

 Metaxya rostrata = Alsophila blechnoides 

 Micro-gametangia, 290 

 Microsporangia, 290; of Salviniaceae, 267 



(Fig. 262) 

 Microspores, 267 

 Mitosis, vegetative, 22 (Fig. 29) 

 Mixed pith, 126, 184; oi Metaclepsydropsis 



duplex, 127; of Osniunda regalis, 127 



(Fig. 120) 

 Mixtae, 214, 216 



Mjihim, archegonia of, 289 (Fig. 280) 

 M. ciispidatiiin, bisexual archegonia of, 



290 (Fig. 280) 

 Mohria, scales of, 201 



M. caffroitini, position of sporangium of, 



220 (Fig. 214) 

 Monangial sorus, 208, 241 ; of Lygodium, 



235 (Fig. 235) 

 Monophyllous habit, 31 

 Monopodia! branching, 91 

 Morphological analysis, 66 

 Morphology, stelar, 177 

 Mosaics, theory of, 299 

 Mucilaginous hairs of Blechin/m, 197 (Fig. 



185) 

 Mycorhizic habit, 47; prothalli of primitive 



Ophioglossaceae, 295 ; type, 283 



Neck of archegonium, 295 



Nectary oi Pteridium aqicilinum, 205 (Fig. 



195) 

 Nephrodnan dilatatujii, prothalloid cylin- 

 drical process of, bearing archegonia, 

 323 (Fig. 299) 

 N. Filix->/ias, miilti-cristatum, 332 (Fig. 



305) 

 A^. Filix-inas, var. cristatum, raised 



apogamously, 332 (Fig. 306) 

 N. pseudo-mas, var. cristatiim, apogamy 



and apospory of, 322 (Fig. 297) 

 A^. pseudo-mas, var. polydactylunt, apoga- 



mous growth of, 325 (Fig. 302) 

 Nephrolepis,s\.o\ons,o{, i9o(Fig. 182); tubers 



of, 43 



Nervatio Anaxcti, 98 (Fig. 94); Caeno- 

 pteridis, 97 (Fig. 93) ; Cyrtophlebii, 98 

 (Fig. 94) ; Doodyae, 98 (Fig. 94) ; IDry- 

 nariae, 98 (Fig. 94); Eupteridis, 97 

 (Fig. 93); Goniophlebii, 97 (Fig. 93); 

 Goniopteridis, 97 (Fig. 93) ; Margina- 

 7-iae, 98 (Fig. 94); Neuropteridis, 97 

 (Fig. 93); Pecopteridis, 97 (Fig. 93); 

 Sageniae, 98 (Fig. 94) ; Sphenopteridis, 

 97 (Fig. 93); Taeniopte7Hdis, 97 (Fig. 



93) 

 Nest Ferns, 45 (Fig. 52), 49 

 Nest-habit, 44 

 N ode oi Liiidsayascandeiis, sections through, 



147 (Fig. 137); of Loxsoma Cunning- 



hamii, vascular system at, 141 (Fig. 



130) 

 Notholae7ia trtchomatiotdes, glandular hairs 



of, 198, 199 (Fig. 186) 



Octant-division, 300 



Onoclea sensibilis, fertilisation in, 18 (Fig. 



22) 

 Ontogeny, 120 

 Opening mechanisms, 253 

 Opercular cell, 287 (Fig. 277); single, 293 

 Ophioglossaceae, 55; primitive, mycorhizic 



prothalli of, 295 

 Ophioglossum Bergianum, 136 (Fig. 128) 

 O. palmatlim, storage- stock of, 30 (Fig. 



36) 

 O. pedunciclosum, view of Campbell on, 



316 

 O. pe?tdulu)>i, antheridium of, 288 (Fig. 

 278); archegonia of, 287, 288 (Fig. 

 278) 

 O. shnplex, 48 (Fig. 55) 

 O. vulgatum, sporogenous tissue of, 260 



(Fig- 255) 

 Organographic comparisons, 336 

 Osmunda, apex of leaf of, iii (Fig. 108) 

 O. cinjiamomea, 133 (Fig. 126) 

 O. regalis, apex of stem of, 9 (Fig. 10); 

 juvenile leaves of, 87 (Fig. 80); mi.xed 

 pith of, 127 (Fig. 120); root-tip of, 112 

 (Fig. no), 113 (Fig. in); sporangium 

 of, 265 (Fig. 259); spore of, 260 (Fig. 

 256) 

 O. regahs, var. crtstata, apices of pinnules 

 of, !>?,■}, (Fig. 307) 

 Osmundaceae, 55; fossil, 129; Uving and 

 fossil, actual size of steles of, 184 (Fig. 

 176) 

 Osmundaceous series, 128 

 Osmundites Carnieri, 134, 135 (Fig. 127) 

 O. Kidstotii, 129, 137 

 6*. skiegatensis, 134 

 Output per sorus, 266 

 Ouvirandra, 149 

 Ovum, 17; uniformity of, 298 



Parenchyma, 195; conjunctive, 5 

 Parkeriaceae, 54 



