INDEX 



Abortion of indusium, 7, 12, 129, 288; of 

 Arthropteris^ 36; of lower indusium, 

 47, 54 



Acrophorus^ 99, 1 19, 137, 277 ; habit of, 130 ; 

 natural relations of, 253 

 A. stipellatiis, sorus of, 131 (Fig. 662), 253 

 (Fig. 749) 



Acrostichoid, derivatives of Dryopteroid 

 Ferns, 131; development, 87 ; develop- 

 ment of Blechnoid Ferns, 194; soral 

 surface of Elaphoglossum, 235 ; sorus, 

 60; state, TJ, 132; state oi Lcptochilus 

 cuspidatits, 132, 133 (Fig. 664); state 

 of Trisiiieria, jj ; state of Matonioid- 

 Dipteroid affinity, 228 



AcrosticJnein^ 3, 61, 194, 249, 281, 283; fer- 

 tile pinna of, 57 ; reticulate venation of, 

 57 

 A. aureui/i, 274 ; gametophyte of, 60 ; me- 

 dullary system of, 59 (Fig. 623) ; spores 

 of,6o; vascular skeleton of, 59 (Fig. 623); 

 vascular system of, 54 

 A. {Chrysodiieiu) aureo-idtens^ 85, 86 

 A. {Chrysodiujii) aureiim^ an Acrostichoid 



Pteris, 57 

 A. praestantissijHUDi^ comparison with 

 Brainea, 194; soral area of, 58(Fig.622); 

 sori of, 58 (Fig. 621) 

 A. spicatinii, 222 

 A. triciispe^ 213 



Acimiopteris, 62 



Adenoderris, 137 



Adianfella, 94 ; spicular cells of, 94 



Adiantellum, 80 



Adiajttopsis, 90 



AdiiifitHin, 94, 98, 198, 247, 281 ; anatomy 

 of, 78 ; habit of, 78, 79 (Fig. 633) ; pro'- 

 thalli of, 80, 96 ; sori of, 78 ; spicular 

 cells of, 80, 247 

 A. capillus-Vcneris, 78; fertile pinna of, 

 79 (Fig. 633) 



Adjustment, ontogenetic, 289 



Allantodia, 146 



Alsop/nla, 115, 116, 276; sorus of, 115 



Alternation, 264 ; stabilized in Land Plants, 

 265 



Ainphibh'stna, 56, 62 



Analysis, Mendelian, 285 



Anatomy of y4c//V?;////'///, 78 ; oiAntrophyuni, 

 241; oi Athyriian, 143; oi Bramea 

 insignis, 177; of Cheilant/ies, 87; of 

 Christopteris, 213; of Elaphoglossitm 

 latifolium, 237 (Fig. 738); ofGymno- 

 grammoids, 95 ; of Hart's Tongue, 188 ; 

 of Male Shield Fern, 122 ; oiNotholaena, 

 90 ; of Odontosoria^ 29 ; oi Pellaea, 87 ; 



o{ Perancma, 108 (Fig. 652); of Sle/io- 

 chlaejia sorbifolia, 175 ; of Vittaria, 239 



Anemia^ 96, 272 ; coUenchymatous thicken- 

 ing of prothalli of, 80 

 A. Pkylliiidis, prothallus of, 80 (Fig. 635) 



Afieiiu?/!, 239, 248, 282 ; habit of, 243 ; spi- 

 cular cells of, 244 

 A. citrifoHum, reconstructed vascular 

 system of, 241 (Fig. 741); soral details 

 of, 244 (Fig. 744) 



Angiopteris, 271^ 272 



Annulus, obliquity of, 124; traces in Dryop- 

 teris, 124 



Anograin/ne, 75, 97; gametophyte of, 75 



Anopteris, 62 



A. hexagotta, theory of lower indusium of, 

 55. 



Antheridia, cap-cells of, 100; (micro-game- 

 tangia), 265 ; of Diacalpe, 100 ; of 

 IVoodsia, 100 



Antheridium, divided cap-cell of, 1 1 2 ; evolu- 

 tion of, 266 (Fig. 755) 



Antrophyum^ 239, 246, 248; anatomy of, 

 241 ; juvenile leaves of, 247 (Fig. 746); 

 spicular cells of, 241 

 A. lineatiiin^ reconstructed vascular sys- 

 tem of, 241 (Fig. 741) 

 A. setnicosfatieni, leaf and sori of, 242 

 (Fig. 742) 



Archattgtopteris, 142, 271 



Archegonia, bi-sexual in certain Mosses, 

 266 ; (mega-gametangia), 265 



Archegonium, evolution of, 266 (Fig. 755) 



Archetype of Class of Ferns, 268 



Arthropteris^ 23, 38; abortion of indusium, 



.36 



Artificial classification, 39 



Aspidieae, 99, 121; comparison of, 136; 

 phyletic grouping of, 137 



Aspidiutn, 121, 137; mdusimn supenim of, 

 127 

 A. Plumierii^ 128 (Fig. 659) 

 A. {Polystichum) lobaitwt, peltate indu- 

 sium of, 129 (Fig. 660) 

 A. trifoliatu))i^ 112; spores of, 126 (Fig. 

 658) 



Asph'/ndicfyuin, 140 



Asplenieae, 278; comparison of, 149 



Aspleniinae, 138 



Asplenioid Ferns, 138 i'^^. (ch.XLli); natural 

 grouping of, 1 50 



Asplenioid sorus, 197 



Asph'/iiopsis, 81, 92, 147 



Aspleniuin, 138, 151, 197, 278, 279; exten- 

 sion of sorus of, 142 ; development of 

 sori of, 139 (Fig. 669); relation to 



