INDEX 



643 



Azolla, 409, 410 



Botrychium, 264 



development (ferns), 333 



dichotomy, 580 



dimorphic, 580, 581 



Equisetum, 460, 462 



fern, 233 



Funaria, 193 



Hymenophyllaceae, 380 



incubous, 116 



Lepidodendron, 589 



Leptosporangiatae, 332 



Liverworts, 73 



Lycopodium, 493, 495 



Marattia, 288 



Marsilia, 429, 432 



mosses, 162, 218 



Ophioglossum, 250, 251 

 vulgatum, 257 



origin, 598 



Osmundaceae, 361, 362 



Pleuridium, 216 



Porella, 102 



Salvinia, 411 



Schizaeaceae, 387 



second, 326 



Selaginella, 523, 527 



Sphagnum, 172 



structure (Angiopteris), 291 



succubotis, 116 



traps in '(Acrogynae), 117 



vascular bundle, 252, 327 



venation (Botrychium), 258 

 leaf formation, 191 

 leaf traces, 162, 222, 223, 290, 361, 



495 

 leafy sporophyte, 



origin, 572 

 Leitgeb, 21, 27 

 Lejeunia, 114; sp. Fig. 62 



metzgeriopsis, 116, 118; Fig. 60 

 serpyllifolia, Fig. 59 

 lenticels, 292 



Lepidodendraceae, 588, 606 

 Lepidodendreae, 535 

 Lepidodendron, 510, 560, 589, 590, 

 604 



leaves, 589 



parvulum, 589 

 Lepidostrobus, 590, 591 

 Brownii, 590 

 Oldhamius, 590 

 leptome, 213 

 Leptopteris, 346, 362 

 Leptosporangiatae, 234, 267, 292, 302, 

 304, 305, 57i, 58i, 583, 601, 602 

 affinities, 440 

 classification, 310 

 embryo, 306 

 fossil, 439 

 Homosporous, 346 

 leaf, 336 



non-sxual reproduction, 307 

 sporangium, 339 

 Leptotheceae, 75 

 Leucobryum, 218; Fig. 121 

 ligula, 519, 528, 538 

 ligule, 547, 555 



Liverworts, 2, 3, 6, 8, 14, 17, 18, 112, 

 119, 129, 156, 157, 159, 160, 176, 

 202, 565 



acrogynous, 170 

 foliose, 595 

 thallose, 226 

 loculus, 295 

 Lomaria, 579 

 Lophocolea, 113, 114 

 Loxsoma, 373 



Cunninghamii, 373 

 Lunularia, 23, 44, 65 



gemmae, 44 

 Lycopodiaceae, 485, 510, 523 



gametophyte, 486 

 Lycopodiales, 485 



Lycopodineas, 232, 482, 483, 536, 560, 

 588, 599, 601 

 affinities, 533 

 fossil, 535 

 heterosporous, 511 

 Lycopodites, 535, 588 

 elongatus, 588 

 Stockii, 588 



Lycopodium, 483, 485, 511, 535, 572 

 600 



antheridium, 489 

 archegonium, 490 

 branching, 494 



