Pouchetia ochrea—Pseudostaurastrum armatum 
Pouchetia ochrea Wright 191 
Pouchetiella Kof. et Swezy* 190 
Pouchetiidae 64, 189, 190 
Praeeeratium 62, 63 
Prasinocladus N. A. 218 
— Jubrieus 96, 123, 124, 213 
— — f. lubrica (Kck.) Zimm. 96, 124 | 
— — /. subsalsa (Senn.) Zimm. 96 
Prasiola 23. — N. A. 218 
—. cornucopiae 93 
— cerispa 25 
— esculenta 41 
°— fluviatilis 126 
— leprosa 89 
— stipitata 41, 93 
Preissia 646 
— commutata 644 
— quadrata (Scop.) Nees 642 
Primula 405, 407, 408, 460, 463 
— acaulis 405 
— auricula 397 
— egaliksensis 439 
— elatior 405 
— farinosa var. groenlandica 439 
— kewensis 277 
— nivalis 439 
— offieinalis 405 
— sibirica 439 
— vulgaris 405 
Primulaceae 439 
Pringsheimia 161. — N. A. 218 
IBriomitıSe IE TOlSE INA 26 
Prionodon 707 
— Juteovirens (Tayl.) Mitt. 645 
Promallomonas Steinecke N. @. 60,181 
— aseta Steinecke* 60 
Prorocentridae 64 
Prorocentrum 141 
Prosopanche Burmeisteri 400 
Proterythropsis Kof. et Swezy* N. 6. 
64, 190 
Proteus vulgaris 528 
Protochlorinae 57 
Protococcaceae 211, 219 
Protoccales 25, 122, 123, 146, 
262 
Protococcus 39, 89. — N. A. 218 
— sect. Diplosphaera 83 
— sect. Euprotococeus 82 
— sect. Gametangium 83 
150, 
ll 
Protococeus sect. Gloeosphaera 83 
— Chodatii 82, 83 
— lacustris 83 
— Lecideae 83 
— Monas 83 
— Ophrydii 82, 83 
— viridis 82, 299 
Protoderma N. A. 218 
amorphum 167 
— polyrhizum Howe* 163 
 Protodiniaceae Kof. et Swezy* 190 
Protodinifer Kof. et Swezy N. G. 64, 
191 
' Protodiniferidae 64 
Protodinium simplex 187 
Protoflorideae 116, 155 
Protohydra Leuckartii 48 
Protopsis Kof. et Swezy N. 6. 64, 
191 
— Stephaniana 482 
Protosiphon 39 
— botryoides 121 
Prunus 292, 314, 357, 
— avium 292 
— laurocerasus 496 
— padus 496 
Pseudanabaena N. A, 174 
— constricta 120 
— tenuis Koppe* 120 
Pseudendosiphonia Web. 
N. @. 246 
Pseudoamphiprora N. A. 200 
Pseudochromulina Doflein N.G.56, 181 
Pseudococeus rotundus 374 
Pseudocyphellaria N. A. 16 
Pseudodietyon 216 
Pseudomallomonas 
181 
— bernardinensis Chod.* 127 
Pseudomonas 261 
Pseudophycodrys Skottsb. N. G. 112, 
246, 169 
Pseudoleskea Baileyi 704 
— Larminati Broth. et Par. 716 
Pseudomyrma 374, 375, 379, 380 
Pseudophalacroma Joerg. N. @. 191 
Pseudopringsheimia N. A. 218 
Pseudostaurastrum (Hansg.) R. Chod. 
N. 6. 218 
— armatum (Reinsch) Chod. 128 
408, 557 
Bosse 
van 
Chod. 
Botanischer Jahresbericht LII (1924) [Gedruckt 14. 3. 34] 93 
