INDEX 



469 



Polytrichum piliferum (Schreb.), 112 



Pplyzonia (Suhr), 194 



PomesD, 386 



Pore, 154, 187 



Pores of Polyporege, 393, 322 



Porphyra (Ag.), 189, 191, 199, 216, 219 



— vulgaris (L.), 217 



Porphyraceae, 189, igo, 196, 198, 199, 216, 219, 



19o— l9o 

 Porphyridium cruentum (Nag.), 416 

 Potato-disease, 328 

 Pottia (Ehrh.), 147, 149 

 Prasiola (Ag.;, 2^7, 219 

 Preissia (Cord.), 169, 170, 171 

 Primary node, 180 



— root, 180, 168 



Procarp, 198, 199, 213, 176, 187, 192 

 ' Proem bryo,' 177, 180 

 'Proembryonic brandi,' 176 

 Progametange, 349, 298 

 Prolific cells,' 276 



Prolification, 6g, 139, 142, 196, 289, 104, 171 

 Promycele, 325, 328, 329, 337, 338, 350, 351. 



352, 362, 373, 385, 386, 391, 299, 314 

 Propagation, 8 



Propagule; 196, 237, 250, 289, 223, 224 

 Prothallium, 10, 339 (see also under Vase. Crypt. , 



Muse, & Char.), 4, 8. 9, 14, 15, 20, 29, 34-36, 



42, 43, 50, 65, 74, 78-80, 126, 168 

 Prothalloid branch, 176 



— growth, 70, 48 



Protococcacese, 186, -x^e.. 409, 410. 4it?, 448. 

 345-^2 , 4 5, -^^ , 



Protococcoidese, 186, 408, 409, 449, 336-352 

 Protococcus (Ag.), 186, 285, 409, 417, 448, 279, 



— pluvialis (Ktz.) 345 

 Protomyce^ (Ung.), 4, 350, 352, 298 



— macrosporus (Ung.), 348, 298 

 ProtomycetaceEE, 348, 298 

 Protomyxa (Haeck.), 405 



Protoneme, 133, 135, 136, 140, 214, 449, 105, 



121, 125 

 Protophloem, 59 



Protophyta, 2, 3, 4, 186, 276, 407, 336-382 

 Protosalvinia (Daws.), J15 

 Protozoa, 456 

 Prozoosporange, 346, 297 

 Prunusj 364, 373 

 Psaronieas, 124 

 Psaronius (Cord.), 124, 95 

 Pseudo-bulbil, 70 

 Pseudo-cortex, 192, 212 

 Pseudocyst, 410, 427, 437, 441, 446 

 Pseudo-parenchyme, 249, 251, 307, 356, 358, 



360, 366, 372, 384, 267 

 Pseudopode, 151^ 154, 402, 403, 422, 443, 131, 



332 

 Pseudo-ramulus, 434, 438, 364, 366 

 Pseudospora (Cienk.), 405 

 Psilophyton (Daws.), 119 

 Psiloteas, 21, 53, 61, 119, 40, 41 

 Psilotum (Sw.), 17, 18, 19, 20, 53j 61, 63, 40 



— triquetrum (Sw,), 61, 40 

 Pteris (L.), 85, 46, 47, 64, 58 



•— aquilina (L.), 75, 76, 77, 82, 54 



— semilata (L. fil.), 69, 46, 47 

 Ptilophyton (Daws.), 118 

 Ptilota (Ag.), 194, 204 

 Puccinia (Pers.), 383, 385, 386 



— coronata (Cord.), 314 



— graminis (Pers.), 383. 274, 314, 315 



— straminis (Fckl.), 314 

 Puff-ball, 311, 396 

 Pulvinus, 93 



Punctaria (Grev.), 187, 241, 245 

 Punctariaceae, 239, 245 

 Pycnid, 362^ 374 

 Pycnochytnum (de By.), 347 

 Pycnophycus (Ktz.), 235 

 Pycnospore, 362, 374, 375 

 Pyrenocarp, 355 



Pyrenomycetes, 319* 355) 356, 370 

 Pyronema (Fckl.), 356, 359, 360, 361, 369, 370, 

 372, 378, 276, 306 



— confluens (Tul.), 276, 306 



Pythium (Pringsh,), 317, 324, 329, 330, 331, 

 332, 335, 286 



— Chlorococci (Lohde), 329 



— circumdans (Lohde), 329 



— de Baryanum (Hesse), 329 



— entophytum (Pringsh.), 329 



— Equiseti (Sad.), 329 



— gracile (Schenk), 329, 286 



— intermedium (de By.), 329 



— proliferum (de By.), 329 



— vexans (de By.), 325, 329,377 



QUATERNARIA (Tul.), 373 



Radiolarians. yellow cells of, 318 

 Radula (Dum.); 162, 164, 137, 141 



— complanata (Dum.), 137, 141 

 Rajfsia (Berk.), 241, 251 

 Ralfsiacese, 239, 251, 225 

 Ramentum, 72 

 Ranunculus, 364 



Raphe, 421, 353 

 Raphidium (Ktz.), 418, 351 



— falcatum (Ktz.), 361 

 Reboulia (Radd.), 171 



Receptacle, 80, 170, 232, 246, 149-151, 154, 156, 



157; 205, 207, 219 

 Receptive spot, 69, 227 

 'Red snow,' 416 

 Rejuvenescence, 223, 274, 281 

 Renaultia (Stur), 122 

 Reproduction, 8 

 Reserve-system, 139 

 Resting-cell, 213, 264, 335, 339, 346, 347 

 Resting-sporange, 333 

 Resting-spore, 223, 258,276, 278, 281, 285, 298, 



3iS> 344> 345. 3SO> 35i) 352j 4^6, 427* 430. 



436, 261, 361, 362 

 Resting-swarm-cell, 274 

 Resting-zoosporange, 346 

 Retrogression, 4, 407, 449 

 Rhabdonema (Ktz.), 423, 424 

 Rhacophyllum adnascens (L. & H.), 120, 92 

 Rhipidonema (Mattir.), 319 

 Rhizidieae, 344, 345 

 Rhizidium (A. Br.), 346 

 Rhizocarpeae, 18, 19, 21, 114, 4-19 

 RhJzoclonium (Ktz.), 276 

 Rhizoglossum (Presl), 99 

 Rhizoid, 16, 132, 139, 156, 174, 180, 222, 228, 



239, 241, 242, 273, 277, 282, 285, 332, 340, 



345, 346, 363, 14, 43, 50, 65, 102, 153, 168, 250, 



252, 256, 280, 318 

 Rhizome, 51, 72, 81, 86 

 Rhizomorph, 392, 270, 319 

 Rhizomorpha (Roth), 309 



— fragilis (Roth), 319 

 Rhizophore, 45 

 Rhizophydium (Schenk), 346 

 Rhizopoda, 456 

 Rhizopus (Ehrb.), 339, 294 



— nigricans (Ehrb.), 337*, 294 



