196 Bachmann, Beitrag zur Kenntnis cler Schwebeflora der Schweizerseen. 



us: 



Merisuiopedia elegans A. Br. 

 Eudorina elegans Ehr. 

 Melosira varians. Ag. 



3. Pfaffikei 

 Eigener Befunel. 

 Ceratiuin hirundinella 0. F. Miiller. 

 Dinobryon sertularia var. thyr- 



soidea (Cbod.) v: 



Dinobryon stipitatum Stein 

 Anabaena circiualis Rabh. 

 Asterionella gracilliina Heib. 

 Diuobryon divergeus Imh. 

 Dinobryon cyliudricum Imh. 

 Peridinium cinctuni Ehr. 

 Gomphosphaeria lacustris Chod. 

 Sphaerocystis Schroeteri Chod. 



Pleurosigina Spenceri Grun. 

 Pleurosigma acuminatum Grun. 

 Tabellaria flocculosa Ktz. 



see. 



Melosira crenulata Ktz. 

 Cyclotella comta Ktz. 

 Fragilaria crotonensis Kitton. 

 Botryococcus Braunii Ktz. 

 Eudorina elegaus Ehr. 

 Volvox aureus Ehr. 

 Cyclotella bodanica Eulenst. 

 Syuedra delicatissima W. Sin. 

 Tabellaria fenestrata Ktz. 

 Tabellaria flocculosa Ktz. 

 Fragilaria capuzina 



4. Greifensee. 



Chodat. 



Chroococcus minor var. viridis 

 Sphaerocystis Schroeteri 

 Eremosphaera viridis 

 Cosinarium scenedesmus 

 Dinobryon thyrsoideum 

 Dinobryon stipitatum var. lacustris 

 Peridinium tabulation 

 Ceratiurn hirundmella 

 Asterionella gracillima 

 Synedra Ulna var. delicatissima 

 Fragilaria crotonensis 

 Melosira 



Cyclotella operculata 

 Cyclotella melosiroides 



Eigener Befund. 

 d : Dinobryon divergens Imh. 

 h : Ceratium hirundinella 0. F. Miiller 



Dinobryon stipitatum Stein 

 Clathrocystis aerugiuosa Henf. 

 Melosira crenulata Ktz. 

 ns : Peridinium cinctum Ehr. 

 Anabaeua circinalis Rabh. 

 Coelosphaeriuin Klitzingianum 

 Asterionella gracillima Heib. 

 Synedra delicatissima W. Srn. 

 v: Dynobryon thyrsoideum Chod. 

 Sphaerocystis Schroeteri Chod. 

 Botryococcus Braunii Ktz. 

 Oscillaria sp. 

 Carupylodiscus hibernicus var. 



Noricus, Ehr. 



Cymatopleura solea Breb. 

 Cyclotella coruta Ktz. 

 Fragilaria crotonensis Kitton. 



Chodat. 



Fragilaria crotonensis 

 Asterionella gracillima 

 Cyclotella comta 

 Synedra delicatissima 

 Ceratium rnacroceras 

 Peridinium tabulatum 

 Glenodiniuin pusilluni 

 Oocystis lacustris 



5. Wale n see. 



Gymnodinium fuscuni 

 Mallomonas acaroides 

 Dinobryon divergens 

 Dinobryon cylindricum 

 Cyclotella melosiroides 

 Stephanodiscus astraea 

 Sphaerocystis Schroeteri 

 Anabaena flos aquae 

 Chroococcus sp. 



