BuchmaiiD, Beitrag zur Kenntnis tier Schwebeflora cler Schweizerseeu. 203 



Tabellaria fenestrata Ktz. 

 Tabellaria flocculosa Ktz. 

 Syneclra ulna Ehrb. 



22. 



Chodat. 

 Lac de Joux et Brenets. 



Vorherrschende Arten : 

 Fragilaria crotouensis 

 Raphidium Braunii 

 Chroococcus ininutus var. carueus 

 Stichogloea olivacea var. sphaerica 



Beobaehtete Arten : 

 Gomphosphaeria lacustris 

 Chroococcus miuutus var. carneus 

 Coelosphaerium Klitzingianmn 

 Sphaerocystis Schroeteri 

 Eudorina elegans 

 Staurogenia quadrata 

 Botryococcus Braunii 

 Nephrocytium Aghardianum 

 Dactylococcua lacuatris 

 Oocystis lacustris 

 Cosmariuin scenedesmus 



Hyalotheca dissilens 

 Coelastruin sphaericuni 



Mongeotia gracillima 



Stichogloea olivacea var. sphaerica 



Cryptomonas ovata 



Dinobryon thyrsoideum 



Dinobryon stipitatum 



Ceratium hirundinella 



Peridinium tabulatum 



Gleuodinium pusillum 



Gymnocliuium fuscum 



Cyclotella operculata 



Melosira orichalcea 



Melosira distans 



Tabellaria flocculosa 



Surirella splendida W. Sni. 

 Dinobryon divergens Irnh. 

 Gomphosphaeria lacustris Chod. 



Jouxsee. 



Asterionella gracillima 

 Diatoma vulgare 

 Melosira grauulata 

 Cymatopleura elliptica 



E ig ener Befund. 



d: Clathrocystis aeruginosa Henf. 



Dinobryon 



Fragilaria crotonensis Kitt. 

 h: Ceratium hirundinella 0. F. M. 



Sphaerocystis Schroeteri Chod. 



Gomphosphaeria lacustris Chod. 



Botryococcus Braunii Ktz. 



Melosira crenulata Ktz. 

 us: Asterionella gracillima Heib. 



Campylodiscus Noricus Ehrb. 



Surirella biseriata Breb. 



Cosmarium scenedesmus Deep. 



Anabaena circinalis Rabh. 



Peridinium cinctum Ehrb. 

 v: Ceratumi cornutum Ehrb. 



Pediastrum Boryanuin Ehrb. 



Eudorina elegaus Ehrb. 



Oscillaria sp. 



Tabellaria fenestrata Ktz. 



Tabellaria flocculosa Ktz. 



Cyclotella 



Cyclotella melosiroides Kirchner 



Surirella robusta var. splendida 

 W. Sm. 



Cymatopleura elliptica W. Sm. 



Eucyonema caespitosum Ktz. 



Navicula radiosa var. acuta Ktz. 



Synedra delicatissima W. Sm. 



23. See von 



Eigener Befund. 

 h : Ceratium hirundinella 0. F. Mullei- 

 ns: Peridinium cinctum Ehrb. 



Pediastrum Boryanum var. gentii- 



num Kirchner 

 Syneclra Acus 



Cymatopjeura elliptica Breb. 

 Surirella elegans Ehr. 

 Oscillaria sp. 



Brenets. 



Pleurosigma acuminatnm Grun. 

 Surirella biseriata Breb. 

 v: Pediastrum pertusum f. genuimim 



Kirch. 



Coelastrum sphaericum Schmal 

 Sphaerocystis Schroeteri Chod. 

 Nephrocytium Aghardianum Naeg. 

 Closterium bicurvatum 

 Gomphosphaeria lacustris Chod. 



