202 ARKIV FÖR BOTANIK. BAND 2. N:0 2. 



Pediastrum Boryanum (Turp.) Menegh.: 27, SS, 37, 40, 50, 54, 71^ 



72, 78, 88, 90, 91, 92, 94, 95, 96, IGO. 

 do var. brevicorne A. Br. : 27, 160. 

 do var. divergens Leram.: 27, 33, 160. 

 do var. longicorne Reinsch: 27, 33, 45, 54, 71, 74, 83, 88, 90, 92, 



96, 100. 

 P. clathratum (Schroeter) Lemm.: 88, 90, 159. 

 do var. punctatum Leram.: 159. 



P. duplex Meyen: 37, 40, 45, 50, 55, 09, 71, 74, 87, 90, 100. 

 do var. asperum A. Br.: 29, 50, 55, 60, 72, 75, 101. 

 do var. clathratum A. Br.: 31, 40, 71, 75, 70, 77, 88, 92, 94, 95, 



96, 160. 

 do var. coronatum Racib. : 92, 101. 

 do var. pulchrura Leram.: 8, 27, 45, 72, 70, 77, 88, 90, 92, 90, 



161. 

 do var. reticulatum Lagerh. : 55, 67, 72, 73, 83, 92, 100. 

 P. glanduliferum Bennett: 55, 100. 

 P. integrum var. Braunianura (Grun.) Nordst. : 27. 

 P. Kawraiskyi Schmidle: 8, 27, 88, 90, 92, 90, 100. 

 P. tetras (Ehrenb.) Ralfs: 27, 33, 37, 40, 71, 92, 100. 

 Pedicularis palustris L. : 35. 

 Penium digitus var. montanum Lemm.: 40. 

 P. lamellosum Bréb.: 40. 

 P. libellula (P^cke) Nordst.: 40. 

 P. Naegelii Bréb.: 40. 

 P. navicula Bréb.: 40. 



Peridiniopsis Borgei Lemm.: 25, 28, 33, 134, 17t"). 

 Peridiuiura bipes Stein: 31, 32, 40, 50, 66, 175. 

 P. cinctum Ehrenb.: 32, 175. 

 P. divergens Ehrenb.: 97. 

 do var. acutangulum Lemm.: 97. 

 do var. Berghii Lemm.: 97. 



do var. depressum (Bail.) Cleve: 27, 79, 97, 175. 

 do var. Levanderi Lemm.: 27. 

 P. inconspicuum Lemm.: 27, 33, 56, 02, 85, 175. 

 P. minimum Schill.: 28, 32, 175. 

 P. pusillum (Penard) Lemra. : 42, 175. 

 P. quadridens Stein: 28, 32, 75, 175. 

 P. tabulatum (Ehrenb.) Clap, et Lachm.: 10, 76, 85, 176. 

 P. Willei Huitf.-Kaas: 31, 32, 51, 62, 65, 72, 75, 70, 83, 92, 



176. 

 Phacotus lenticularis (Ehrenb.) Stein: 26. 

 Phacus brevicaudata (Klebs) Lemm.: 42, 40. 

 Ph. longicauda Duj.: 84, 173. 

 Ph. moniliata var. suecica Lemra.: 84, 125, 173. 

 Ph. Nordstedtii Lemm.: 84, 124, 173. 

 Ph. parvula Hübner: 42. 



Ph. pleuronectes Nitszch : 27, 32, .'53, 87, 173. 

 Phaeodactylum tricornutum Bohlin: 188. 



