INDEX 



467 



NOS 



Nostocaceae, 185, 4*7, 428, 430, 455, 456, 358-362 



Nostochineae, 186, 427, 428, 358-373 



Nothoclama (R. Br.), 85 



Notommata, 284 



Nuclei, plurality of, 186, 187, 188, 194, 272, 275, 



281, 284 



Nuclearia (Cienk.), 405 

 Nullipore, 206 

 Nummularia(Tul.), 373 



OBELIDIUM (Nowak.), 346 



Octaviana asterosperma (Vitt.), 324 



'Octospore,' 217 



CEdogoniaceae, 188, 220, 222, 200-202 



CEdogonium (Lk.), 222, 223, 226, 200, 201 



ciliatum (Mass.), 201 



gemelliparum (Hass.), 201 

 Oidium Tuckeri (Berk.), 364 

 Olfersia (Radd.), 80 

 Oligocarpia Lindsaeoides (Stur), 94 

 Olpidiese, 344, 345, 346, 347 

 Olpidiopsis fusitormis (Cornu), 346 



Saprolegniae (Fisch.), 346 

 Olpidium (A. Br.), 347 

 Onions, 327 



Onoclea (L.), So, 85 



Onygena (Pers.), 358, 359 



Ooblastema-filament, 202, 211, 215 



Oogamous reproduction, 188 



Oogone, 185 (see also under Algae and Fungi), 



199, 201, 202, 210, 228, 248, 249, 259, 286, 290, 



291 



Oomycetes, 323, 332, 285-292 

 Oophyte, 10, 16, 132, 135 

 Oosperm, n (see also under Vase. Crypt., 



Muse., Char., Algae, and Fungi), 203, 210, 



229, 248, 259, 286, 290, 291 

 Oosphere, 8 (see also underVasc. Crypt., Muse., 



Char., Algae, and Fungi), 4, 10, 15, 45. 109, 



148, 158, 201, 203, 210, 229, 259, 286, 291 

 ' Oosporange,' 237 

 ' Qospore,' 8 

 ' Oosporeae,' 3 

 Opercule, 135, 112, 117, 131 

 Ophiocytium (Nag.), 414 



Ophioglossaceae, 13, 16, 20, 21, 81, 95, 123, 72-76 

 Qphioglossum (L.), 97, 98, 99, 100, 72, 76 



pedunculosum (Desv ), 96 



vulgatum (L.), 98, 100, 72, 76 

 Orthotrichum (Hedw.), 149 



Oscillaria (Bosc.), 429, 441, 442, 443, 445, 368, 

 369 



aerugineo-coerulea (Ktz.), 443 



antliaria (Hansg.), 445 



dubia (Ktz.), 443 

 - Frolichii (Ktz.), 446 



princeps (Vauch.), 441, 443, 444, 369 



tenuis (Ag.), 446,368 



Oscillariaceae, 427, 428, 429, 433, 437, 441, 455, 

 368-373 



movements of, 442 

 Oscillatorieae, 441 



Osmunda (L.), 66, 67, 75, 89, 90, 65-68 



cinnamomea (L.), 90 



regalis (L.), 73, 90, 65-67 

 Osmundacese, 66, 75, 76, 78, 80, 81, 88, 65-68 

 Osmundites (Carruth.), 123 



Ostiole, 207, 356, 182-184, 208, 209, 311 

 Ovulites (Lam.), 304 

 Oxymitra (Bisch.), 166 



PACHYMA (Fr.), 309 

 Pachyphloeus (Tul.), 35 



Padina (Adans.). 254, 230, 231 



Pavonia (Gaill.), ^30, 231 

 Palaeopteris hibernica (Schimp.), 121, 93 

 Palaeostachys (Weiss), 128 



Pale, 72 



Palisade-cells, 321 

 Palisade-parenchyme, 19 

 Palmella(Lyngb.), 415, 417, 44 8 



cruenta (Ag.), 416 



nivalis (Hook.), 416 



prodigiosa (Mont.), 416 



uvaeformis (Ktz.), 276, 417 

 Palmellacese, 257, 415, 418, 419 

 Palmellin, 416 



Palmelloid condition, 277, 409, 411, 412, 415, 



Palmodictyon (Ktz.), 418 

 Pandorina (Ehrb.), 186, 299, 300, 263 



morum (Ehrb.), 263 

 Pandorineee, 186, 291, 299, 409, 263 

 Paraphyse, 55, 79, 87, 134, 142, 196, 233, 237, 



2 44, 354, 355) 356, 358, 3?o, 37i, 37 2 , 373, 374, 

 386, 388, 394, 36, 50, 106. 208, 209, 27b, 300, 



Parasites (Fungi), 316, 317, 329, 383 

 . (Bacteria), 454 

 Parasitic Algae, 249, 280, 284 

 Parsley-fern, 72 



Parthenogenesis, 181, 267, 333, 338 

 Parthenosperm, 261, 262, 267 

 Parthenospore, 292 

 Pecopteris arborescens (Schl.), 124 

 Pediastreae, 186, 190, 291, 298, 418, 261, 262 

 Pediastrum (Mey.), 298, 26i, 262 



integrum (Nag.), 261 

 Pedicel, 80 



Pedicel-cell, 177, 179, 233, 369 



Pell;ea(Lk.),85 



Pellia (Radd.), 162, 164, 136 



epiphylla (Cord.), 136 

 Peltate leaf, 28, 8, 9 



scale, 102, no, 2, 83 

 Pelvetia (Dene.), 235 



Penicillium (Lk.), 312, 358, 359, 360, 366, 378 



glaucum (Lk.), 316, 367 

 Penicillus (Ktz.), 289 

 Penium (Breb.), 268, 241 



margaritaceum ( Brdb. ), 241 

 Perianth, 134, 141, 142 

 Pericarp, 180, 201, 221, 263, 199 

 Pericentral tubes, 192 



Perichsste, 134, 141, 162, 109, 129, 131 



Periderm. 430 



Peridinieae, 410 



Peridiolum, 397, 328 



Peridium, 311, 357, 358, 395, 396, 397, 398, 399, 



325, 328-331 

 Perigone, 142, 106 

 Perigyne, 159, 163, 171, 142, 158 

 Perinium, 160 

 Peripheral growth, 241 

 Periphyse, 356 



Periplasm, 324, 325, 327, 331, 332, 286 

 Peristome, 135, 147, 110-112, 114, 118 

 Perithece, 355, 356, 362, 365, 370, 373, 374, 375, 



378, 379, 311, 312 

 Peronospora (Cord.), 4, 323, 326, 327, 328, 329, 



3?8 



arborescens (de By.), 286 



calotheca (de By.), 269, 285 



densa(Rab.), 327 



Ficaria; (Tul.), 327 



nivea (de By.), 327 



parasitica (de By.), 326, 327 



pygmaea (Ung.), 327 



