INDEX 



335 



Botrychiuiii {Sccptridiiini) obliquum^ sus- 

 pensor of, 80, 81 (Figs. 381, 382) 



B. simplex, 44 (Fig. 336) 



B. tertiatiini, fertile spike of, 64 (Fig. 

 359) 



B. vtrgDiuDium, antheridium of, 76 (Fig. 

 376) ; aichegonium in, 77 (Fig. 377) ; 

 cotyledon of, 63 (Fig. 357) ; pinna-trace 

 of, 64 (Fig. 360) ; prothallus of, 75 (Fig. 

 375); strands which supply the fertile 

 spike in, 65 (Fig. 360/?); venation of, 

 63 (Fig. 358) 

 Botryopterideae, 6, 10, 228; comparison of, 



15 

 Boiryopterzs, 10, 34; "equisetoid" hairs of, 

 13; vascular structure of, 12 



B. attfiqim, 13 (Fig. 314); sporangia of, 

 15 (Fig. 317) 



B. cyltndrica, 10 (Fig. 312), 11 ; branch- 

 ing of, 16 ; comparison of, 16 ; two forms 

 of, 12 



B.foreiisis, sporangia of, 14, 16 (Fig. 316) 



B. hirsteta, young petiole of, 12 (Fig. 313) 



B. ramosa, 10 (Fig. 311), 11 

 Boweria, sporangia of, 6, 7 (Fig. 310), 151 

 Branching oi Botryopteris cylindrical 16; of 



\ea.i o( Cleichettia, 193; (scheme of) of 

 \&?d oi Mertensia, 195 (Fig. 474) 



"Brevicide" sporangia, 308 



Bristles (stiff) of Gleichenia, 215 



Campteridinae, 319 



Caniptopteris, 319 



Cardiomanes, 248, 250 



Caulopteris, 104; trunk of, 100 (Fig. 394) 



Cellular constitution, 2 ; construction of Os- 



mundaceae, 132 

 Chaffy scales, 295 

 CJicifoglossa^ 93 

 CheiropleKria, 5 ; two-rowed segmentation 



of Fern sporangia of, 291 (Fig. 555) 

 Christenseiiia, 5, 95, 125; rhizome of, 96 



(Fig. 390) 

 Ctbotiicm, 263, 274 



C. Baromets, 264 (Fig. 530); solenostelic 

 rhizome of, 264 (Fig. 531); vascular 

 system of stem of, 264 (Fig. 532) 



C. Menziesii, sporangia of, 266 (Fig. 535) 

 C. Scheidei, marginal receptacle of, 265 

 (Fig. 534); young sorus of, 266 (Fig 

 535) 

 Clathroptcris, 319, 323 

 Clepsydroid leaf-trace, 24, 25, yj 

 Clepsydroideae, 19, 25, 38 

 Chpsydropsis, 25,27(Fig. 325) 



C. aniiqiia, foliar trace of, 28 (Fig. 328) 

 C. australis, stem of, 24 

 Coenopteridaceae, 6, 8, 10 sqq. (ch. xviii) ; 

 aphlebiae of, 97 ; comparison of, 34, 

 40 ; known only as fossils, 228 ; leaves 

 of, 38 ; petioles, 36 ; sporangia of, 39 ; 

 stems of, 2>S 



Comparison oi Anemia^ 174; of Coenopteri- 

 daceae, 40 ; of Cyatheaceae, 304, 309 ; 

 of Dipteridaceae,3 1 8; of Gleicheniaceae, 

 214; of Hymenophyllaceae, 248; of 

 Lophosoria^ 287 ; of Loxsomaceae, 257 ; 

 oi Lygodiiim, 174; of Rlarsileaceae, 186; 

 of Matoniaceae, 226 ; of Alelaxya, 292 ; 

 oi Mo/iria, 174; oi Plagiogyria, 280; 

 oi Sc/iizaea, 174; of Schizaeaceae, 172 



Conioptcris^ 267 



Coryncpteris, fertile pinna of, 113 (Fig. 405) ; 

 sporangia of, 39 

 C. Esscnghi, fertile pinna of, 33 (Fig. 334) 



Cot\iedon of BotrycJnum virginianum, 63 

 (Fig. 357) 



Criteria of comparison, i 



Cyathea^ 293,310 ; cup-like indusium of, 300 ; 



venation of, 295 (Fig. 557) 



C. dealbata^ young sorus of, 302 (Fig. 565) 



C. Inirayana, anatomy of, 298 (Fig. 560) 



C. medullaj-is, bifurcated trunk of, 294 



(Fig. 556); Tree-Fern, 293; vascular 



system of, 297 (Fig. 559) 



C. si7iuata, habit of, 295 (Fig. 557); sori 

 of, 300 (Fig. 557) 



Cyatheaceae, 7, 293 sqq. (ch. xxxill); ana- 

 tomy of, 296 ; "armature" of, 215, 307 ; 

 basipetal succession of sporangia of, 

 302 ; broad scales of, 307 ; comparison 

 of, 304, 309 ; dichotomy of, 305 ; distinct 

 from Dicksoniaceae, 326 ; gametophyte 

 of^ 2>'^\\ gradate sorus of, 307 ; habit of, 

 293; indusium of, 307; leaf-trace of, 

 297 ; leaves of, 294 ; scales of, 296 ; sori 

 and sporangia of, 299; sporangia of, 

 300, 301 (Fig. 563) ; sporangial segmen- 

 tation of, 302 ; spore-output of, 301 



Da}iaea,()^, 125; suspensor of, 120 



D. alata,c)6{¥\g. 2,^()); fertile pinna of, no 

 (Fig. 403); stelar svstem of, 103 (Fig. 

 398) 



D. elliptica, partial septations of, 1 1 7 (Fig. 

 409) 

 Danaeopsis, 115, 124; spore-counts of, 115 



D.feciaida, 116 (Fig. 408) 

 Davallioids, 333 

 Dendroid habit, 309 

 Dcntistaedtia^ 268, 274 



D. apiifolia, sorus and sporangia of, 271 



(Fig. 539) 

 D. (lissccla, polycycly in, 269 (Fig. 537) 

 D. n//>igi;iosa, mixed sorus of, 271 

 Dennstaedtiinae, habit of, 268 ; intra-mar- 

 ginal sori of, 273 (Fig. 541); sorus of, 

 270 ; sporangia of, 271 ; stelar structure 

 of, 269 (Fig. 536) 

 Dermal appendages, 2, 307; of Gleichenia- 

 ceae, 195, 215; of Marsileaceae, 187; 

 of Matoniaceae, 221; of Schizaeaceae, 

 163 

 Diacalpc, 303, 309 



