INDEX 



653 



Selaginella, 513 

 sperm-cell, 2 

 Sphaerocarpus, 12, 15, 16, 17, 18, jt,, 



75, B3, 90, 92, 94, 151, 157, 158, 



159. 596; Figs. 31. 33 

 (SphxrocarpLis) Californicus, 75; 



Fig. 30 



cristatus, 75, 82 



terrestris, 75, 80, 81, 82 

 Sphagnacese, 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 

 Botrychmm, 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, 600 



Botrychium, 268, 269 

 dehiscence, 257, 270, 297, 344, 



444 



development, 293, 341 



development (Azolla), 414 



development ( Polypodium j, 340 



cusporangiate, 232 



Gleichenia, 370 



Hymenophyllacea;, 381, 382 



Leptosporangiata^, 22,2, 339 



Marattiacea?, 292, 294 



Ophioglossum, 247, 254, 255, 

 256, 257 



origin, 598 



Osmundaceae, 365 



Pilularia, 438 



Polypodiacese, 395 



Psilotacea?, 508, 509 



Pteridophytes, 598 



Schizaeacese, 388 

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

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

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



Anacrogyns, 99 



Archidium, 185, 187 



chlorophyll, 312, 343 



dehiscence, 18 



Dendroceros, 148 



development. 477 



Equisetum. 443, 444, 476 



gemmae (Acrogynse), 113 



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



27?>, 444, 486, 539 

 germination (xA.crogynae), 113 

 germination (Anacrogynse), 99 

 germination (Anthocerotes), 



143 

 germination (Bryales), 188 



germination (Gleichenia), 367 



germination (Marsilia). 418 



germination (Osmunda), 347 



Gleichenia, 371 



Hepaticse, 19 



Marattiacese, 297 



Marchantiacese, 47 



multicellular, 19 



Notothylas. 156 



Porella, iii 



Psilotacese, 510 



spore-development, 572 



Anthoceros, 139 



Notothylas, 155 



