578 



Register. 



Pectoralina Bory (Syn.) 41. 

 Pediastrum 71, 72. 

 Pelagophycus 254, 259. 

 Pelvetia 277, 279, 281. 

 Penicillus 139, 441, 442. 

 Penium 7, 8, 10. 

 Pentasterias Ehrb. (Syn.) 11. 

 Percusaria Menegh. (Syn.) 77. 

 Peridinium 563. 

 Periplegmatium 101. 

 Perithalia 238. 

 Peroniella 65, 68. 

 Petrocelis 533, 534, 535. 

 Petrospongium 225, 228. 

 Pe.visperma Rafin. (Syn.) 49. 

 Peyssonnelia 534, 536. 

 Phacelocarpus 384, 385, 386. 

 Phaceiomonas Stein (Syn.; 40. 

 Ptiacotus 31, 37, 40. 

 Phaeocladia 2S9. 

 Phaeocystis 289. 

 Phaeodermatium 28^. 

 Phaeophila 90, 92, 95. 

 Phaeopliyceae 17 6, 289. 

 Phaeosaccion 290. 

 Piiaeosphaerium 225, 226. 

 Phaeothamnion 96. 

 Phiebothauanion Kützing (Syn.) 



489. 

 Phloeorhiza 289. 

 Phloeospora 205, 207. 

 Phloiocauion 195, 197. 

 Phormidium 556. 

 Photophobe Endl. (Syn.) 136. 

 Phragmonema 315. 

 Phycastrum Kütz. (Syn.) 11. 

 Phycocelis 183, 186, 188. 

 Pliycodrys Kützing (Syn.) 412. 

 Piiycoiapathum Kütz. (Syn.) 



201. 

 Phycopeilis 103, 104. 

 Phycopliila Kütz. (Syn.) 220. 

 Phycoseris Kütz. (Syn.) 77. 

 Phycotapathum Kütz. (Syn.) 



203. 

 Phyllacantha Kütz. (Syn.) 282. 

 Phyilactidium 105. 



Kützing (Syn.) 541. 



Phyllaria 250, 253, 254. 

 Phyllerpa Kütz. (Syn.) 136. 

 Phyllitis 201, 203. 

 Phyllobium 62, 65, 67. 

 Phyliochorda 564. 

 Phyllodictyon Gray (Syn.) 150. 

 Phyllodocites Geinitz (5yn.) 564. 

 Phyllophora 354, 338. 

 Phyllosiphon 126, 127. 

 Phyllosiphonaceae 28, 125, 160. 

 Phyliospora 270, 279, 282. 

 Phyliotricha Aresch. (Syn.)287. 

 Phyllotylus Kützing (Syn.) 338. 

 Phyilymenia J. Agardh (Syn.) 



511. 

 Phymato derma 564. 

 Phyniatodocis 8, 14, 15. 

 Physcophora Kützing (Syn.) 



442. 



Physematoplea 199, 201, 202. 

 Physocytium 47, 48. 

 Physophjcus 564. 

 Phytophysa 160. 

 Phytopsis 564. 

 Pikea 5 t 6, 5i9. 

 Piia 564. 

 Pilinia 101. 

 Pithiscus 37, 38. 



Kütz. (Syn.) 10. 



Pithophora 116, 117, 119, 

 Pilhyopsis 427, 441. 

 Placophora 428, 462. 

 Placosphaera 160. 

 Plagiospermum Cieve(Syn.) 23. 

 Platoma 523, 524. 

 Platylobium Kütz. (Syn.) 284. 

 PiatynieniaJ. Agardh (Syn.) 524. 

 Platythalia Sond. (Syn.) 281. 

 Plectoderma Reinsch(Syn.) 54 1 . 

 Plectonema 556. 

 Pleiophysa Sond. (Syn.) 156. 

 Pieococcus Kütz. (Syn.) 59. 

 Pleonosporium 483, 488, 489. 

 Pleurenteriuna 7, 11, 12. 

 Pleurocapsa 69. 

 Pieurocarpus A. Br. (Syn.) 23. 

 Pleuiocladia 190, 191. 

 Pleurococcaceae 27, 54, 160. 

 Pleurococcus 54, 56. 



Cienk. (Syn.) 38. 



Pleurosicyos Corda (Syn.) 8. 

 Pleurostichidium 477. 

 Pleurotaeniopsis 7, 11, 12. 

 Pleurotaenium 7, 9, 10. 

 Plocamium 398, 404, 405. 

 Plocarla(NeesjEndiicher(Syn.) 



391. 

 Plumaria 484, 493, 494. 



Link (Syn.) 487. 



Pneophyllum 337. 

 Poecilothamnion Nägeli (Syn.) 



489. 

 Pogotrichum 289. 

 PoUexfenia 428, 454, 453. 

 Polyblepharides 37, 38. 

 Polycerea 225, 227. 

 Polyciiruraa Bonnemaison 



(Syn.) 487. 

 Polycoelia 353, 364. 

 Polycoma Palisot (Syn.) 323. 

 Polyedrium 57, 60. 

 Poiyides 529. 

 Polyopes 510, 513. 

 Polyostea Ruprecht (Syn.) 439. 

 Polyphacum C. Ag. (Syn.) 469. 

 Polyphysa 156. 

 Polyselmis Duj. (Syn.) 38. 

 Polysiphonia 422, 423, 424, 



426, 439. 

 Polysiphonides 364. 

 Polytrypa Defrance (Syn.) 553. 

 Polyzonia 428, 463, 464. 

 Poropsis Kütz. (Syn.) 4 41. 

 Porphyra 3 11, 312. 

 Porphyridium 315. 

 Porphyroglossum 342, 348. 



Portieria Zanardini (Syn.) 530. 

 Postelsia 246, 254, 258. 

 Prasiola 79. 



Prattia d'Arch. (Syn.) 139, 560. 

 Pringsheimia 103, 104. 

 Prionitis 510, 513. 

 Prismatoma (J. Agardh) Harvey 



(Syn.) 513. 

 ProliferaStackhouse (Syn.) 358. 

 Protococcaceae 27, 60. 

 Protoderma 78. 

 Protokützingia 4 29, 469. 

 Protosphaeria Trev. (Syn.) 38. 

 Prototaxites Dawson (Syn.) 561. 

 Pseudoblaste 544. 

 Psilothallia 484, 496, 

 Pterigophycos 565. 

 Pterocaulon Kütz. (Syn.) 287. 

 Pteroceras Kütz. (Syn.) 501. 

 i'terocladia 342, 348. 

 Pterodictyon Gray (Syn.) 150. 

 Pteromonas 37, 39, 40. 

 Pteronia 427, 432. 

 Pterosiphonia 427, 443. 

 Pterota Gramer (Syn.) 493. 

 Pterothamnion Nägeli (Syn.) 



497. 

 Ptervgophora 254, 237. 

 Ptilocladia 484 499, 

 Ptilocladiopsis 485, 303, 

 Ptilonia 418. 

 Ptilophora 342, 348. 

 Plilopogon 193, 197. 

 Ptiiota 484, 493, 494. 

 Ptilothamnion 483, 486, 487. 

 Pulvinaria 289. 

 Punctaria 199, 200, 201. 

 Pylaiella 185, 186, 187. 

 PyramidomonasStein (Syn.) 39. 

 Pyramimonas 37, 39. 



Ralfsia 241, 242. 

 Balfsiaceae 181, 240. 

 Raphidium 56, 37, 38. 

 Receptaculites 565. 

 Reinbüldia 331. 

 ReinboldielladeToni(Syn.)502. 

 Reinkia Borzi (Syn.) 94. 

 Reinschia austraiis 565. 

 Reinschiella de Toni (Syn.) 68. 

 Rhabdonia 369, 377, 378. 

 Rhabdoporella 565. 

 Rhipidosiphon 144. 

 Rhipilia Ivütz. (Syn.) 141. 

 Rhipocephalus 141, 142. 

 Rhipozonium Kütz. (Syn.) 142. 

 Rhizocladia Reinsch (Syn.) 1 91 . 

 Rhizoclonium 117, 118. 

 Rhizophyllidaceae 306, 527. 

 Rhizophylüs 529, 531. 

 RhizophvUum Reinsch (Syn.) 



410. 

 Rhodocallis 484, 495. 

 Rhodochaetaceae 304, 317. ' 

 Rhodochaete 317, 318. 

 Rhodochorton 483, 301, 304. 



