468 



I n flex 



PALLA, 5, 330, 334 



Palmella Lyngbye, 184, 186 



Palmetta-state of Chlamydonionas, 146 



Palmellaceffi, 183-190 



Palmellese, 186 



Palmellococcus Chodat, 194 



PALMER, 102 



PALMER & KEELEY, 84 



Palmodactylon Nag., 183, 186 



Palmodicylon Kiitz., 183, 184, 189, 190 



P. viride Kiitz., 189 (fig. 1155) 

 Palmophyllese, 188 

 Palmophyllum Kiitz., 183, 188, 189 

 Pandorina Bory, 163, 175, 178, 180, 182. 429 



P. Morum (Miill.) Bory, 135 (fig. 92(7), 



176 (fig. 104^4-^), 446 

 Paramsecium, 194 

 Parthenogonidia of Volvox, 178 

 Parthenospores of Diatoms, 110 

 PASCHER, 79, 134, 162, 164, 169, 170, 282, 296, 



332, 398, 402, 404, 408, 445 

 PATJLSEN, 59 

 PAVILLARD, 2 

 Pediastrese, 218 



Pcfliaatrum Mcyen, 163, 199, 200, 216, 217, 

 218, 219, 220, 429, 432, 440, 446 



P. Boryanum (Turp.) Menegh., 217 (fig. 



143 F-H), 218 (fig. 144 0), 219 



P. duplex Meyen, 217 (fig. 143 E), 218 (fig. 



144 F), 219, 440 



var. reticulatum Lagerh., 218 



P. glandulifcrum Bonn., 217 (fig. 143 7) 

 P. integrant Nag., 217 (fig. 143 4) 

 P. simplex Meycn, 219, 440 



var. clathrutum Chodat, 218 (fig. 144 H) 

 - var. reticvlatum G. S. West, 218 



P. Tetras (Ehrenb.) Ralfs, 217 (fig. 143 C 



and D), 219 

 P. tricornutum Borge, 217 (fig. 143 B) 



Pedras negras of Angola, 33 



PEEBLES, 167 



Pelagocystis Lohmann, 403, 409 



PELLETAN, 120 



Penicillus Lam., 222, 231, 232, 235, 236, 238, 



239 



P. capitatus Lam., 239 

 P. dumetosus (Lam.) Dec., 232, 236 (fig. 153) 

 P. Lamourouxii Decaisne, 236 (fig. 153) 

 P. Sibogse A. & E. S. Gepp, 232 



Penieaj, 380 



Pcfi.iococcus Wolosz., 453 

 P. Nymtzee Wolosz., 453 



Pc.nium Breb., 119, 354, 357, 363, 367, 380 

 P. didymocarpum Lund., 339, 372 (fig. 234 D 



and' E), 373 



P. margaritaceum (Ehrenb.) Breb., 425 

 P. spirostriolatiforme W. & G. S. West, 370 

 P. spirostriolatum Barker. 370, 425 

 P. suboctangulare W. West, 371 (fig. 233 0) 



Pennatze, 122, 123 



PcrngnUin Schiitt, 85 



PERAGALLO, 112 



Periphlegmatium Kiitz., 303 



Peroniella Gobi, 404, 405, 407 



PETERSEN, 202 



Peridiniacefe, 58-82 



Transverse and longitudinal furrows, 58; 



cell-wall, 59 ; protoplast, 63-67 ; chro 

 matophores and nutrition, 67-68; cell 

 division and multiplication, 68-73; rest- 

 ing-spores, 73-74; occurrence and dis- 

 tribution, 75-76; nature and affinities, 

 78-80 



Peridiniales, 49 

 Peridiniese, 49-82 

 Peridinin, 67 

 Peridinium Ehrenb., 61, 63, 65, 66, 68, 69, 



75, 437, 447 



P. achromaticum Lev., 67 

 P. aciculiferum Lemm., 69, 70 (fig. 50), 76 



437 



P. africanum Lemm., 58 

 P. anglicum G. S. West, 67, 69, 70, 71 (fig. 



51), 437 



P. batticum (Lev.) Lemm., 64 

 P. berolinense, Lenirn., 62 

 P. bipes Stein, 58, 66 

 P. cinctum Ehrenb., 430, 437 

 P. divergens Ehrenb., 76 

 P. herbaceum Schiitt, 67 

 P. inconapicuum Lemm., 432 

 P. mullistriatum Kofoid, 62 (fig. 45) 

 P. Penardii Lemm., 59 

 P. pyrophorum Ehrenb., 76 

 P. quadridens Stein, 64 

 P. sanguineum Carter, 75 

 P. Steinii Jorg., 67; subsp. mediterraneum 



Kofoid, 66 (fig. 48) 

 P. Willei Huitf.-Kaas, 62 (fig. 44), 66, 69, 



75, 437 

 PETIT, 120 



Petrosiphon Howe, 251, 257 

 PFITZER, 120 

 Phacotese, 174 

 Phacotus Perty, 174 



Ph. lenticularis Stein, 172 (fig. 101 G and H) 

 Phseophila Hansg., 253 

 Pkseophila Hauck, 225, 297 

 Phalocroma Stein. 62, 68 

 PHILLIPS, 2, 5, 9, 12, 14, 16, 18. 19, 21, 22, 27, 



33 

 Phormidium Kiitz., 3, 15. 22, 23, 24, 25, 26, 



31, 42, 193, 421, 422 

 Ph. ambiguum Gom., 23 (fig. 15 D) 

 Ph. angustissimum W. & G. S. West, 34 

 Ph. autumnale (Ag.) Gom., 25 (fig. 16 E), 26, 



31, 36, 421 



Ph. Corium (Ag.) Gom., 23 (fig. 15 C) 

 Ph. laminosum (Ag.) Gom., 34 

 Ph. molle (Kiitz.) Gom., 42 (fig. 28 D) 

 Ph. purpurascens (Kiitz.) Gom., 31, 422 

 Ph. tenue (Menegh.) Gom., 34, 42 (fig. 28 E 



and F) 



Phycocyanin, 10; (pink). 10 

 Phycopdtis Millar., 305, 307, 308, 309, 311, 



421 



Ph. epiphyton Millar., 309, 310 (fig. 203 A-C) 

 Ph. -nigra Jennings, 305, 307 

 Phycoporphyrin, 329 

 Phycopyrrin, 67 

 Phyllactidium Kiitz., 309 

 Phyllobium Klebs, 209, 211, 212, 223 

 P. dimorphum Klebs, 210 (fig. 137 (7) 

 P. sphagnicola G. S. West, 211 



