Index 



307 



Polytoma Ehrenb., 23. 



uvella Kln-i'iib., 23. 

 Porphyridium X>'i<i., 340, 351. 



cruenturn (Aff.) NH//., 351. 

 Porphyrosiphon Notarisii, 130. 

 Potamogeton, 4. 

 Prasiola Ag., 18, 30, 33, 98. 



crispa (Lightf.) Menegh., 99 (fig. 

 36 D G"), 100. 



fiirfiii-iicen, Menegh., 100. 



parietina (Vauch.) Will,', 99 (fig. 



36 A C). 



Prasiolaceas, 30, 98 100. 

 Preservation of Freshwater Algae, 8. 

 Pringsheim, 03, 69. 

 Procarp, 16, 17, 34. 

 Proliftra Vauch., 159. 

 Protococcacese (or Autosporaceae), 1, 5, 

 14, 25, 30, 33, '180, 201, 207, 

 212238. 



Protococcoidea3, 11, 14, 15, 17, 1922, 

 30, 50, 52, 54. 56, 178247, 309. 

 Protococcux Ag., 202,' 229, 230. 

 Protoderma Kiitz., 12, 201, 204. 



viride Kiitz., 205 (fig. 83 A C). 

 Protomastigina, 23, 30, 31. 

 Pseudeunotia Grun., 2ss. 

 Pseudochffite W. <( 0. S. West, 88. 



crassisetum W. & G. S. West, 89. 



gracilis W. & G. S. West, 88 



(fig. 30). 



Pseudocilia, 51, 239, 243. 

 Pseudopleurococcus Snow, 202. 

 Pseudo-raphe (of Diatom), 263. 

 Psilonemateas, 319 336. 

 Pteromonas Seligo, 190. 

 Pyrenoids, 12, 53. 

 Pyxisporeae, 117. 



Rabenhorst, 1, 3, 306. 



Eadais, 230. 



Radiococcus Schmidle, 204, 212. 



nimbatus (Wild.) Schmidle, 204. 

 Radiotilurn Sclimidle, 26, 30, 33, 73, 

 75, 78, 81. 



coujunctivum Schmidle, 79. 



flavescens G. S. West, 78 (fig. 



23 D), 79. 

 Rafinesque, 159. 

 Balfsia O'Meara, 285. 

 Raphe (of Diatom), 262. 

 Receptive spot, 17. 

 Red rain, 18'.). 

 Red seaweeds, 34. 

 Red snow (plant), 5, 189. 

 Beinxchii'lhi >. setigera Schroder, 222 



224. 



Rendle & West f., 107. 

 Rhabd-odernut lineare Schmidle, 347. 

 Rhabdonema arcuaturn (Ay.) Kiitz. , 268. 



Rhaphidiuni Kiitz., 221, 222. 

 aciculare A. Br., 223. 

 biplex Reinsch., 224. 

 conrolntum Rabenh., 224. 

 dupl,:r Kiitz., 223. 

 fiif<i-ii-nl<(titiii Kiitz., 223. 

 I'dxi-ii-iilitttim var. xpirtili' (Turn.) 



Chod., 224. 

 nirale Chodat, 223. 

 Pfitzeri Schroder, 224. 

 polymorphum Fresen. var. aciculare 



Rabenh., 223. 

 polymorphumv&T. falcatinit Rabenh., 



223. 

 polymorphum var. inirubili.-i W. & 



G. S. West, 224. 

 polymorphum var. npirale W. & 



G. S. West, 224. 

 polymorphum var. tnmidum W. & 



G. S. West, 224. 

 pyrngenum Chodat, 223. 

 setigerum (Schrod.) W. cfc G. S. 



' West, 224. 



xpirnle Turn., 224. 



Hhaphidonema Lagerh., 80. 



nival e Lagerh., 80. 

 Rhizoclonium Kiitz., 12, 26, 30, 72, 



102, 103, 129, 256, 343. 

 _tl<i riant* Rabenh., 103. 

 hieroglyphicum Kiitz., 103, 104 



(tig. 39 A). 

 hieroglyphicum var. Kochianum 



(Kiitz.) Stock-in., 104. 

 hieroglyphicum var. riparium 



(Harv.) Stud; m., 104. 

 hieroglyphicum var. tortuosum 

 (Kiitz.) Stock-m., 104 (fig. 39 

 B E). 



Kocliiiinnm Kiitz., 104. 

 rivularis (L.) Kiitz., 256. 

 Rhizosolenia Ehrenb., 278. 

 eriensis Sin., 278. 

 longiseta Zach., 278 (fig. 128). 

 Bhizosoleniaceae, 278, 279. 

 Bhodophyceae, 10, 16, 17, 18, 32, 34 



43, 93, 311, 351. 

 Rhodymeuiaceas, 35. 

 Rhoicosigma Grnn., 291. 

 Rhoicosphenia Grun., 263, 297, 298. 



curvata (Kiitz.) Gntit., 298. 

 Richter, 55. 

 Richteriella Lemm., 232, 233. 



botryoides (Stock-in.) I.i'mm., 233 



'(fig. 102 A). 



botryoides var. quadriseta (Li'inm.) 

 Chod., 233 (fig. 102 B and C), 

 234. 



Rivularia (Both) Ag., 338, 340, 341. 

 Biasolettiana Menegh., 340 (fig. 

 157 A C). 



