468 



INDEX 



PER 



I'eronospora Kumicis (Cord.), 327 



— Schachtii (F"ckl.), 327 



— Schleideniana (Ung.), 327 



— Trifoliorum (de I'y.), 327 



— Vicia; (de 13y.), 327 



— viticola (de By.)? 327 



Peronosporea;, 4, 309, 312. 315, 323, 331, 332, 



333, 377, .378, 269, 27ii, 275, 277, 285-289 

 Peronosporites (W. G. S.), 330 



— antiquarius (W. (J. S.), 330 

 Persistent cell, 444 

 Petalonema (Berk.), 438, 440 

 Peyssonelia (Dene.), 210 

 Peziza (Dill.). 356 



— (Pyronema) confluens (Pers.), 369, 276, 300, 

 306 



Phacidiace^e, 356 



Phaeophyll, 230 



Phaeosporeae, 187, 190, 230, 237, 212-232 



Phaeothamnlea;, 258 



Phaeothamnion (Lagerh.), 258, 276 



Phaeozoosporea;, 237 



Phalloideje. 395, 397, 329-331 



Phallus (L.), 398, 399, 330 



— impudicus (L.), 398, 330 

 Phascaceae. 136, 150, 121, 122 

 Phascum (L.), 140, 150 

 Phloem-sheath, 18, 59 

 Phlyctidium (A. Br.), 346 

 Phragma. 125 

 Phragmidium (Lk.), 386, 314 



— incrassatum (Lk.), 314 

 Phycochromaceae, 426 

 Phj'cocj^anin, 427, 442 

 Phj'co-er^-thrin, 194, 217 

 Phycomyces (Kze.), 338, 339, 293 



- nitens (Kze.), 293 



Phycomycetes, 4, 5, 323, 352, 377, 381, 285-299 

 Phycophaein, 230, 240, 256 

 Phycoseris (Ktz.), 217 

 Phyco.xanthin, 230, 421 

 Phyllade, 51 

 Phyllitis (Ktz.), 245 

 Phyllobium (Klebs), 284, 410 

 Phylloglossum (Kze.), 19, 53, 56, 59, 60, 61, 38 



— Drummondii (Kze.), 61, 38 

 Phyllosiphon (Kiihn), 284 

 Phyllota.xis, 59, 99, 106, 139, 151, 194 

 Phyllotheca (Brongn.), 124, 96 



— equisetiformis, 96 

 Physareae, 403 



Physcia parietina (Nyl.), 279 



Physiotium (Nees ab Esenb.), 161 



Physma (Massal.), 372 



Physoderma (Wallr.), 346 



Phytophthora (de By.), 323, 327, 328, 332, 335, 



272, 277, 289 



— infestans (de By.), 314, 326, 327, 328, 272, 

 277, 289 



— omnivora (de By.), 327, 329 

 Pigment-spot, 223, 292, 300, 416 



Pileus, 286, 391, 392, 393, 398, 399, 251, 252, 



273, 319, 320, 330 

 Pilinia(Ktz.), 280 

 Pilobolus (Tode), 339 

 Pilularia(L.), 19, 33, 37, 114, 5, 16, 18 



— globulifera (L.), 36, 5, 16, 18 

 Pinnularia (Ehrb.), 426, 353 



— viridis (W. Sm.), 353 

 Piptocephalideae, 340, 378, 295, 296 

 Piptocephalis (de By.), 340, 342, 295, 296 

 ~ Freseniana (de By. and Wor.), 295, 296 

 Pithophora Kewensis (Wittr.), 276, 245 

 Pithophoraceae, 187, 273, 276, 245 



Pits in oogonial wall, 332 



POL 



Placenta, 25, 29, 35, 80, 86, 201 



Placental cells, 209, 287 



Plagiochasma (L. & L.), 171 



Plagiochiia (Dum.), 164 



Plantago, 364 



Plasmatoparous Peronosporeae, 327 



Plasmode, 401, 402, 403, 404, 405, 406, 332, 335 



— movements of, 403 



— resting states of, 404 

 Plasmodiophora (Woron.), 405 



— Brassicac (Woron.), 405 

 Platycerium (L.), 83, 85 



— alcicorne (Desv.), 72, 77 

 Plaxonema (Tangl), 444 

 Plectonema (Thur.), 437, 438, 439 

 Pleomorphy of Uredineae, 383 

 Pleospora (Rabenh.), 361, 362, 374 

 — • herbarum (Rabenh.), 374 

 Plerome-sheath, 18, 109 

 Pleuridium (Brid.), 150, 122 



— subulatum (K abenh.), 122 

 Pleurocarpi, 149 

 Pleurocladia (A. Br.), 247 

 Pleurococcus, 279, 300, 417, 41Q 

 Pleurosigma (W. Sm.), 420, 426, 357 



lacustre (W. Sm.), 35( 

 Plocamium (Lmx.), 196, 208 



— coccineum (Huds.), 209 

 Plumule, 41 



Podosphaera (Kze), 360, 362, 378, 303 



— Castagnei (de By. and Wor.), 364, 303 



— Kunzei (Lev.), 364 



— pannosa (de By. and Wor.), 303 

 Pollen-grain, 11, 12, 14, 3 

 Pollen-sac, 13, 1 



Pollen-tube, 11, 14, 3 



Pollexfenia (Harv.), 194, 209 



Pollinoid. 7, 185, 198, 199, 207, 254, 360, 361, 



370, 371, 372, 373, 374, 384, 385, 175, 179, 



182, 184, 191, 307 

 Pol^'edriaceae, 419 

 Polyedrium (Nag.), 299, 418, 419 

 Polygonum, 364 



— Hydropiper, 351 

 Polyhedra, 296, 298, 299, 262 

 Polyides (Ag.), 202, 209 

 Polyphagus (Nowak.), 314, 346, 297 



— Euglenae (Nowak.), 345, 297 

 Polyphysa (Lmx.), 288, 255 



— peniculus (R. Br.), 255 

 Polypodiaceae, 64, 67, 75, 78, 79, 3o, 81, 83, 



121, 123, 42, 44-56, 58 

 Polj-podieae, 83, 84 

 Polj-podium (L.), 77, 84, 85, 53, 58 



— leiorhizum (Wall.), 53 

 Polyporeae, 303, 396, 322, 323 

 Polyporus (Mich.), 392, 396, 322, 323 



— annosus (Fr.), 316 



— igniarius (Fr.), 322, 323 



— obvallatus (Berk, and Cooke), 396 



— sulphureus (Fr.), 316 



— volvatus (Pk.), 396 

 Polysaccum (DC.), 399 



Polysiphonia (Grev.), 192, 193, 194, 201, 209, 

 170 



— opaca (Zan.), 170 

 Polysiphonous, 192 

 Polj-spore, 6 



Polystichum angulare (Willd.), 69, 48 

 Polystigma (Pers.), 360, 372, 385 

 Polythrix (Zanard.), 437 

 Polytrichaceae, 146 



Polytrichum (L.), 138, 139,142, 148, 149,104, 

 107, 112, 117 



— commune (L.), 104, 107, 117 



