698 



INDEX 



Operculum, 13, 165, 180, 207, 209, 

 210, 211, 213, 216, 217, 218, 



220 



Ophioderma, see Ophioglossum 



pendulum, 245, 628 

 Ophioglossaceae, 229, 280, 284, 300, 



303, 308, 440, 580, 581, 582, 



601,602,633 

 gametophyte, 234, 624, 625 

 germination of spores, 234, 235, 



624 

 Ophioglossales, 233, 234 

 Ophioglossites antiqua, 582 

 Ophioglossum, 4, 232, 233, 235, 240, 



241, 259, 261, 262, 266, 270, 



272, 278, 284, 286, 290, 295, 



300, 301, 302, 339, 482, 554, 



557, 560, 574, 582, 598, 599, 

 600, 601, 602, 623, 624, 625, 

 628, 629, 634, 639 

 antheridium, 236, 625 

 archegonium, 237, 238, 626 

 embryo, 626, 627 

 leaf, 250, 251 

 root, 252, 253, 254 

 sex-organs, 236 



sporangium, 247, 254, 255, 256 

 sporophyte, 245 

 stem-apex, 247, 248 

 stem-structure, 249 

 vascular bundle, 245, 247, 250, 

 628, 629 

 Bergianum, 258, 629 

 intermedium, 628 

 Lusitanicum, 247 

 IMoluccanum, 623, 624, 625, 626, 

 627, 628, 629, 630, 631, 



633 

 embryo, 626 



gametophyte, 624 

 palmatum, 258, 303, 628 

 pedunculosum, 234, 238, 245, 

 623, 627, 628, 629; Fig. 125 



embryo, 245 



prothallium, 236 



Ophioglossum — Cont. 



pendulum, 234, 235, 238, 250, 

 254, 257, 258, 271, 303, 600; 

 Figs. 124, 125, 131, 133, 134, 



135, 136, 137, 138, 139, 140 

 prothallium, 235, 624 

 simplex, 258, 301, 580, 600 

 oeocenum, 582 



vulgatum, 249, 250, 254, 257, 271, 

 , 624 

 leaf, 257 

 Fig. 132 

 Oscillariae, 128 

 Osmunda, 5, 259, 304, 343, 346, 348, 



362, 367, 376, 448, 583, 597, 

 636 



antheridium, 351, 352 

 archegonium, 353, 354 

 chromatophores, 597 

 embryo, 356 

 fertilization, 356 

 germination of spores, 347 

 primary root, 359 

 spermatozoids, 353 

 cinnamomea, 348, 349, 351, 362, 



363, 364; Figs. 177, 192, 



193, 195, 197, 198, 199, 200, 

 205, 207 

 Claytoniana, 272, 348, 349, 363, 

 364; Figs. 191, 193, 194, 

 195, 196, 198, 200, 201, 202, 

 203, 205, 207 

 regalis, 346, 348, 349, 350, 363; 

 Figs. 203, 204, 206 

 Osmundaceae, 304, 306, 310, 311, 

 346, 439, 440, 570, 580, 584, 

 602, 603, 635 

 gametophyte, 346 

 leaf, 361, 362 

 root, 362 

 sporangium, 365 

 stem, 359 



stem-structure, 360, 361 

 Ostrich fern, 312 (see Onoclea) 

 Ovule, 7, 560, 603 



