198 Bachmaun, Beitrag zur Kenntnis cler Schwebeflora der Schweizerseeu. 



ns 



Eigener Befund. 

 d: Dinobryon divergens Imh. 

 h: Ceratium hirundinella 0. F. Miiller 



Dinobryon stipitatum Stein 



Fragilaria crotonensis Kitt. 



Cyclotella socialis Schiitt 



Clathrocystis aeruginosa Henfrey. 



Anabaena circinalis Rabh. 



Gomphosphaeria lacustris Chod. 



Sphaerocystis Schroeteri Chod. 



Peridinium cinctum Ehrb. 



ns 



ns: 



Asterionella gracillima Heib. 

 Cyclotella comta Ehrb. 

 Cyclotella melosiroides Kirchner 

 Eudorina elegans Ktz. 

 Dictyosphaeriuin pulchellum Chod- 

 Cosinariuui scenedesmus Delp. 

 Tabellaria fenestrata var. asterio- 



nelloides Schroet. 

 Campylodiscus hibernicus Ehrb. 

 Dinobryon cylindricum Imh. 

 Synedra delicatissiina W. Sra. 



8. Lungernsee. 



Eigener Befund. 

 d: Asterionella gracillima Heib. 

 h : Oscillatoria rubescens D. C. 



Ceratium hirundinella 0. F. Mullei- 

 ns: Peridiuium cinctum Ehrb. 



Sphaerocystis Schroeteri Chod. 

 Eudorina elegans Ehrb. 

 Tabellaria fenestrata Ktz. 



Cyclotella comta Ehrb. 

 v : Dinobryou stipitatum Stein 

 Tabellaria flocculosa Ktz. 

 Surirella biseriata Breb. 

 Synedra ulna var. spathulif era Grim. 

 Synedra delicatissima W. Sm. 

 Fragilaria crotonensis Kitton. 

 Anabaena circinalis Rabenh. 



9. Saruersee. 



Eigener Befund. 

 Ceratium hirundinella 0. F. Miiller 

 Dinobryon stipitatum Stein 

 Asterionella gracillima Heib. 

 Peridinium cinctum Ehr. 

 Fragilaria crotonensis Kitton. 

 Dinobryon divergeus Imh. 



v: Synedra delicatissima W. Sm. 

 Synedra ulna var. danica Grim.? 

 Cyclotella sp. 



Oscillatoria rubescens D. C. 

 Tabellaria feuestrata Ktz. 

 Tabellaria flocculosa Ktz. 



10. Hallwylersee. 



Eigener Befund. 

 Ceratium hirundinella 0. F. Miiller 

 Dinobryon = Arten (sertularia var. 



thyrsoidea, stipitatum) 

 Anabaena circinalis Rabh. 

 Botryococcus Braunii Ktz. 

 Clathrocystis aeruginosa Henf. 

 Oscillatoria rubesceus D. C. 

 Synedra delicatissima W. Sin. 

 Peridinium cinctum Ehr. 

 Sphaerocystis Schroeteri Chod. 



Gomphosphaeria lacustris Chod. 

 Asterionella gracillima Heib. 

 Cyclotella socialis Schiitt 

 Fragilaria crotonensis Kitton. 

 Dinobryon cylindricum Imh. 

 Dinobryon divergens Imh. 

 Chlorangium stentorinum Stein 

 Tabellaria fenestrata Ktz. 

 Eunotia lunaris Grim. 

 Synedra capitata Ehr. 

 Cyclotella sp. 



13. Sempackersee. 

 Eigener Befund. Asterionella gracillima Heib. 



d: Ceratium hirundinella 0. F. Miiller 



Dinobryon divergens Imh. 

 h: Peridinium cinctum Ehr. 



Chlorangium stentorinum Stein 

 Gomphosphaeria lacustris Chod. 

 Botryococcus Braunii Ktz. 



