Register. 



283 



Protoderma Kütz. 69, 70, 79, 



89. 

 Protosiphon Klebs 54, 4 09. 

 Prototheca Krüger 62. 

 Protothecaceae 64. 

 Proulothrix Pascher 74. 

 Psephotaxus W.&G. S.West 72. 

 Pseudendoclonium Wille 77, 78, 



85. 

 Pseudobryopsis Berth. 4 24, 125. 

 Pseudochaete W. & G.S.West 94. 

 Pseudopodium Web. van Bosse 



428, 430. 

 Pseudodictyon Gardn. 92. 

 Pseudolithoderma Sved. 4 74, 



475. 

 Pseudopleurococcus Snow 86. 

 Pseudopringsheimia Wille 79, 



88. 

 Pseudostaurastrum Hansg. 60. 

 Pseudotetraspora Wille 36, 37, 



38. 

 Pseudulothrix Pascher 74. 

 Pseudulvella Wille 79, 90. 

 Pteridium J. G. Ag. (Syn.) 236. 

 Pterocladia 20 i. 

 Pterococcus Lohm. 47. 

 Pterocystis Lohm. 47. 

 Pteromonas Seligo 4 6, 20. 

 Pteronia Schmitz 244. 

 Pterosperma Pouchet 47. 

 Pterospermaceae 47. 

 Pterosphaera (Jörg.) Lohm. 47. 

 Pterygophora Rupr. 4 69, 4 73. 

 Ptilophora 24 6. 



Ptilopogon 4 49, 4 54, 4 52, 4 53. 

 Ptilota 248. 

 Punctaria (Grev.) J. G. Ag. em. 



455. 

 Pyramimonas Schmarda 4 6,4 7. 

 Pyropia J. G. Ag. (Syn.) 4 93. 

 Pyxisporae W. & G. S. West 4 4 , 



4 2. 



Racodium E. Fries 94. 

 Racovitziella (A. Br.) Wille 34. 



de Wild 33. 



Radiococcus Schmidle 53, 55, 



56. 

 Radiophilum Schmidle 72. 

 Ralfsiaceae 4 66, 4 74. 

 Ramalina Krplhb. 4 25. 

 Ramosa Fosl. (Sect.) 268. 

 Raphidiastrum Turn. 4 0. 

 Raphidium Kütz. 68. 



Ostenf. p. p. 38. 



Raphidonema Lagerh. 68. 

 Raphioplea J. G. Ag. 4 30. 

 Reinboldiella de Toni (Syn.) 249. 

 Reinkia (Borzi) 83. 

 Reinschiella de Toni 60. 

 Renfrewia Griggs (Syn.) 4 68. 

 Rhabdium Dang. 49. 

 Rhabdonia Harv. 224, 222. 

 Rhadinocladia Schuh. (Syn.) 4 55. 

 Rhipidiphyllon Heydr. 4 4 4. 

 Rhipidosiphon Mont. 4 29. 



Rhipocephalus Kütz. 4 28, 4 29. 

 Rhizocladia 4 46. 

 Rhizoclonieae 4 4 6, 14 8. 

 Rhizoclonium Kütz. 4 4 5, 4 4 9. 

 Rhizosolenia 6. 



Rhodochorton Näg. 248, 250. 

 Rhodochytriaceae 48. 

 Rhodochytrieae 48. 

 Rhodochytrium Lagerh. 48. 

 Rhododermis Grouan 202, 253. 

 Rhodomela Ag. 24 8, 244. 

 Rhodomelaceae 240. 

 Rhodophyceae 4 89. 

 Rhodophyllidaceae 224 . 

 Rhodophyllis Kütz. 222. 

 Rhodophysema Batt. 255, 256. 

 Rhodoplax Schmidle & Well- 

 heim 39. 

 Rhodoseris Harv. 235. 

 Rhodura Kjellm. (Sect.) 24 2. 

 Rhodymenia 201, 225. 

 Rhodymeniaceae 224. 

 Richterieüa Lemmerm. 57. 

 Rivularia Roth p. p. 79. 

 Rocovitziella 32, 33. 

 Rodoessa Portz 47. 

 Roya (W. & G. S. West) 9. 

 Rudicularia Heydr. 4 4 4. 

 Rutidiastrum Turn. 9. 

 Rutidium Turn. p. p. 9. 



Saccodermeae Lütkm. 7, 8. 

 Saccorhiza 4 69. 

 Salmacis [Bory] Hansg. 4 4. 

 Sarcomenia Sonder 232, 238. 

 Sargassum J. G. Ag. 4 80, 4 82. 

 Scaberia Grev. 4 80, 4 82. 

 Scaenophora J. G.Ag. 4 80, 4 82. 

 Schizacanthum Lund 9. 

 Schizastrum Turn. 9. 

 Schizochlamys A. Br. 25, 26, 



29. 

 Schizocystis Turn. 4 0. 

 Schizodesmus Turn. 9. 

 Schizogonium Kütz. 74. 

 Schizomeris Kütz. 74. 

 Schizoneura J. G. Ag. (Syn.) 



236. 

 Schizospora Reinsch 9. 

 Schmitziella 265. 

 Schmitzielleae Fosl. (Trib.) 264, 



265. 

 Schröderia Lemm. 68. 

 Schroederia Schmidle 60. 

 Scenedesmeae 65, 66. 

 Scenedesmus Meyen 26, 65, 66. 

 Sciadium A. Br. 44, 42, 50. 

 Scinaia Biv. 24 2. 

 Scotinosphaera Klebs 42, 44. 

 Scrobiculospermum Hansg. 4 4 . 

 Scyamina v. Tiegh. 23, 24. 

 Scyamineae 24. 



Scytosiphon J. G. Ag. 4 56,4 58. 

 Scytothalia 180, 4 84. 

 Sedoideae J. Ag. 4 25. 

 Seirococcus Grev. 4 80, 184. 

 Seirospora Harv. 249. 



Selenastreae 65, 66, 68. 

 Selenastrum Reinsch. 64, 65, 



66, 68. 

 Selenoceras Turn. 9. 

 Selenococcus Schmidle et Zach. 



59. 

 Selenoderma Bohl. 59. 

 Selenosphaerium Cohn 68. 

 Serraticardia Yendo (Subgen.) 



273. 

 Siphonales 2, 4, 5. 

 Siphonocladeae 4 09, 4 4 2, 4 4 6. 

 Siphonocladiales 2, 4, 5. 

 Siphonocladus (Schmitz) Borges. 



4 09, 4 4 3, 4 4 5, 4 4 6. 

 Sirogonium Kütz. 4 3. 

 Soranthera Post, et Rupr. 4 58. 

 Sorapion Kuck. 4 74, 4 75. 

 Sorastreae 67. 

 Sorastrum Kütz. 63, 65, 66, 



68. 

 Sorothamnion Heydr. 268. 

 Spatoglosseae J. G. Ag. (Trib.) 



4 86. 

 Spatoglossum 4 86. 

 Sphacelaria Lyngb. 4 47, 4 4 8, 



454, 452, 453. 

 Sphacelariaceae 4 46. 

 Sphacelarieae Oltm. (Trib.) 4 53. 

 Sphacella 4 53. 

 Sphaceloderma Kuck. (Syn.) 4 4 8, 



4 53. 

 Sphaeranthera Heydr. 273. 

 Sphaerella Hansg. 4 7. 



Sommf. 4 8. 



Sphaerichastrum Turn. 4 0. 

 Sphaeridium Turn. 9. 

 Sphaerococcaceae 223. 

 Sphaerococcus 223. 

 Sphaerocystis Chod. 4 8. 

 Sphaerogona Link 4 23. 

 Sphaeroplea Ag. 4 23. 

 Sphaeropleaceae 2, 4, 4 23. 

 Sphaeroplethia Duby 4 23. 

 Sphaerogosma (Corda) Arch. 8, 



4 0. 

 Sphinctosiphon G. S. West 31. 

 Spirogyra Link. 14, 4 3. 

 Spirotaenia Breb. 7, 8. 

 Spirotaeniopsis Lagerh. 8. 

 Splachnidium Grev. 4 82. 

 Spondylomorum Ehrb. 4 6, 20, 



23. 

 Spondylosium (Breb.) 8, 4 0. 

 Spongocladia Aresch. 4 4 9. 

 Spongomorpha 4 15. 



Kütz. p. p. 4 4 7. 



(Kütz.) Wille 4 4 8. 



Sporochnaceae 4 66. 

 Sporochnus Ag. 4 66. 

 Sporocladus Kuckuck 7 8, 84. 

 Sporolithon Heydr. 264, 265, 



266, 267, 268. 

 Spyridia Harv. 24 6, 249. 

 Squamariaceae 254. 

 Stapfia Chod. 29. 

 Staurastrum 7. 



