INDEX 



697 



Mosses — Cont. 



aquatic, 160 



cleistocarpous, 166, 188 



leaves, 162, 218 



non-sexual reproduction, 162 



saprophytic, 160 



sporophyte, 165 



stem, 162 



stegocarpous, 166, 188 

 Mucilage cells, 362 



Hepaticae, 15 



Marchantiaceae, 43, 69 

 Mucilage clefts, 121, 125, 126, 128, 



144, 145, 146 

 Mucilage ducts, 43, 292, 500 

 Multicellular spores, 19, 99, 148 

 Multipolar nuclear spindle, 476 

 Musci, 8, 13, 160 



affinities, 226 

 Muscineae, 8, 9, 159, 160, 229, 231, 

 562, 592, 601 



antheridium, 10 



apical cell, 9 



archegonium, 10 



asexual reproduction, 9 



classification, 12 



fossil, 226, 577 



gametophyte, 9 



rhizoids, 9 



sex-organs, 11, 164 



sporophore, 12 



sporophyte, 12, 594 

 Muscites, 578 

 Mycorhiza, 238, 239, 270, 624, 625, 



635 



Nanomitrium, 216 

 Nebenkorper, 52, 609 

 Neck-canal cells 



Equisetum, 453 



Isoetes, 545 

 Neuropteris, 585 

 Noeggerathia, 585 



Nostoc, 100, 121, 123, 125, 128, 145, 

 146, 564 



Notothylas, 120, 122, 146, 147, 148, 

 158, 159, 179, 187, 228, 302, 

 318, 621 

 antheridium, 149, 150 

 archegonium, 150 

 embryo, 151, 152 

 spore-development, 155 

 spores and elaters, 156 

 sporophyte, 153 

 thallus, 149 

 Breutelii, 621 

 Javanicus, 621 

 melanospora, 156 

 orbicularis, 148; Figs. 64, 80, 81, 



82, ^7,^ 84, 85 

 valvata (orbicularis), 122, 128, 148 



Octant wall, 322 

 (Edogonium, 562, 601 

 Oil-bodies, 40, 394 



Marchantiaceae, 44 

 Oligocarpia, 584 

 Oligocene age, 578 

 Onoclea, 281, 319, 339, 343, 348, 



352, 357, 358, 359, 395, 634 

 antheridium, 315 

 cotyledon, 323 

 embryo, 321 

 fertilization, 320 

 primary root, 325 

 prothallium, 312, 314 

 sex-organs, 314 

 spermatozoid, 316 

 sensibilis, 312, 579; Figs. 177, 



178 

 struthiopteris, 312, 327, 328, 331, 

 ?>Z?>, 334, 342, 579; Figs. 

 173, 174, 175, 176, 179, 181, 

 230 

 air-chambers in, 329 

 stem, 329 

 Oogonium, i 

 Oospore, 563 



Opercular cell, 237, 278, 352 

 Operculatae, 69, 614 



