INDEX 



653 



Selaginella, 513 

 sperm-cell, 2 

 Sphaerocarpus, 12, 15, 16, 17, 18, 73, 



75, 83, 90, 92, 94, 151, 157, 158, 



159, 596; Figs. 31, 33 

 (Sphaerocarpus) Californicus, 75; 



Fig. 30 



cristatus, 75, 82 



terrestris, 75, 80, 81, 82 

 Sphagnaceae, 156, 161, 165, 184, 228; 



594 



Sphagnales, 160, 166, 181 



Sphagnum, 160, 161, 162, 164, 165, 

 179, 180, 182, 183, 184, 185, 188, 

 190, 191, 194, 199, 200, 203, 209, 

 218, 219, 226, 227, 594, 595; Fig. 



87 



antheridia, 175, 176 

 apical growth, 170 

 archegonium, 177, 178, 181 

 branches, 173, 174 

 branching, 167 

 embryo, 178 

 germination, 168 

 leaf, 167, 168, 169, 172 

 sex-organs, 174 

 spermatozoids, 176 

 stem-structure, 172, 173 

 acutifolium, 178; Figs. 91, 92, 93 

 cymbifolium, 173; Figs. 89, 90, 91 

 squarrosum ; Fig. 88 

 Sphenophyllacese, 481, 588, 601 

 Sphenophyllales, 587 

 Sphenophyllum, 511, 587 

 Splachnum, 220, 229, 600 

 sporangial spike (sporangiophore), 



250 



sporangiogenic band, 254 

 sporangiophore, 250, 251, 258, 261, 

 271, 508, 599 

 Botrychium, 259 

 Helminthostachys, 272 

 sporangium, 4, 7, 271, 272, 273, 

 303, 304, 307, 389, 412, 472, 473, 

 475, 479, 500, 524, 530, 531, 534, 

 556, 557, 584, 6op 

 Botrychium, 268, 269 

 dehiscence, 257, 270, 297, 344, 

 444 



development, 293, 341 



development (Azolla), 414 



development (Polypodium), 340 



eusporangiate, 232 



Gleichenia, 370 



Hymenophyllaceae, 381, 382 



Leptosporangiatae, 232, 339 



Marattiaceae, 292, 294 



Ophioglossum, 247, 254, 255, 

 256, 257 



origin, 598 



Osmundaceae, 365 



Pilularia, 438 



Polypodiaceae, 395 



Psilotaceae, 508, 509 



Pteridophytes, 598 



Schizaeaceae, 388 



spores, 4, 5, 12, 20, 21, 36, 60, 64, 74, 

 80, 84, 96, in, 122, 141, 155, 179, 

 182, 185, 214, 257, 295, 475, 559 



Anacrogynae, 99 



Archidium, 185, 187 



chlorophyll, 312, 343 



dehiscence, 18 



Dendroceros, 148 



development, 477 



Equisetum, 443, /|/|/|, 476 



gemmae (Acrogynae), 113 



germination, 5, 19, 274, 312, 346, 

 373, 444, 486, 539 



germination (Acrogynae), 113 



germination (Anacrogynae), 99 



germination (Anthocerotes), 



143 



germination (Bryales), 188 

 germination (Gleichenia), 367 

 germination (Marsilia), 418 

 germination (Osmunda), 347 

 Gleichenia, 371 

 Hepaticae, 19 

 Marattiaceae, 297 

 Marchantiaceae, 47 

 multicellular, 19 

 Notothylas, 156 

 Porella, in 

 Psilotaceae, 510 

 spore-development, 572 

 Anthoceros, 139 

 Notothylas, 155 



