TO 



New species are in bold type 





A 



Page. 





Achnanthes Bory, 



235 I Closterium decorum Brib. Tar breve 



Achnanthes bijuga Turp 229 Clo$terium DelponUi Wolle 



Achnanthes Hungarica Grun. 



236 j Closterium Diana Ehrenb. 



Achnanthes obliqua Turp 229 Cloiterium didymotocum Qorda, 



Achnanthes quadricauda Turp. . ..... 229 



Achnanthes sp 236 



Achnanthidium hungaricum Grun. ..... 235 



Closterium Kutzingii Brib. 

 Ankistrodesmus Qorda 230 Closterium LebUiaii Kit*. 



in 

 itt 



191 



Clotterium *r*cile Brib |fa 



Cloiterium incur?um Brib. • •#... 191 



IN 



Ankistrodesmus acutissimus Arch 230 



Ankistrodesmus convolutus {Rabenh.) Q. 8. West . 

 Ankistrodesmus convolutus Corda • 



Ankistrodesmus falcatus {Qorda) Ralfs . 

 Ankistrodesmus falcatus {Qorda) Ralfs. var. acicularis 

 {A. Br.) &. 8 West . 



230 

 230 



230 



230 



Closterium Lebleinii Kit*. Tar. recur? atom 

 Clotterium lineal um Khrenb. Tar. sandviceu* 

 Closterium macil$*Stum Brfb. Tar. substrigosum . 



Closterium maximum ( Wood) SekmidU . . . 

 Closterium moniliferam iBorg.) Ekrenb. . . • 

 Cloiterium pulchellum W. Jf Q. 8. West Tar. Barmen »* 



Ankistrodesmus fusiformis Corda 230 Closterium Ralfsii Brib. var. hjbriduA Rabmk. 



Ankistrodesmus quaternatus 



IM 



m 



. in 

 . itt 

 . iM 



. 191 



230 Closterium roatratum Ekrenb. ...... 1W 



Apanocheete repens A. Br. • . . • . .181 



Apiocystis Nag. • . 



Apioeystis Brauniana Nag. 

 Aptogonum Desmidium Ralfs 



231 



Closterium aetaceum Ehrenh. 194 



Closterium mbstrigosuxn 



Aptogonum tetragonum Delp 



Arthrodesmus Ehrenb 211 



Arthrodesmus curvatus Turn. var. Bunnensis . .211 



Arthrodesmus fusiformis 212 



281 Closterium Venus Kutz. 



226 



226 



IM 

 191 



Coeconeis Ehrenb. . • •#•••• 



Coeconeis Placeutula Ehrenb. , 



Cocconema Ehrenb M7 



211 

 212 



Arthrodesmus Incus (Br6b.) Hass. var. triangularis. 

 Arthrodesmus leptodermus Liitkem. • • 



Arthrodesmus mucronulatus Nordst. ■ % • • 212 

 Arthrodesmus triangularis Lagerh. . • 



211 



Cocconema cmpitosum [Kutt) G. 8. West 

 Cocconema cuspidatum (Kutt.) Q. S. Writ 

 Cocconema cymbiforme Ehrenb. 

 Cocconema Ehrenbergii (Riitz.) G. 8. West 

 Cocconema Helveticum ( Kiitz.) W. <f G. 8. Wtst 



B 



Cocconema lanoeolatum Ehrenb 

 Cocconema tumida Brib. . 



Cocconema ventricosum {Ag.) W. k G- 8. West 



Brochidium parvulum Perty. 

 Bulbochcete Ag. 





Coelastrum Nag. 

 Coelastrum Cambricum Arc A. 

 Calastrum pvlchrum Schmidle 



BulbochflBte elatior Pringsh 



Burkillia • 



Burkillia cornuta 



232 



181 



Igl I Coleoch«te Brib 



228 I Coleocb®te scutata Brib 

 Colpopelta viridis Corda 

 Conferva bombt/cina Ag 



228 



C 



Calothrix Ag. . 



Calothrix parietina Thur 

 Characium A. Br. 



Characium pyriforme A. Br. 

 ChrococcuS Nag. 



Chrococcua minor (Kutz.) Nag, 



Cladophora Kutz. 



Cladophora crispata {Roth.) Riitz. 



Closterium Nitzsch 



Closterium acerosum (Schrank) Ehrenb. var. maximum 

 Closterium acutum (Zyngb.) Brib • 



Closterium Cornu Ehrenb 



Closterium crassum Delp 



Costerium decortim Brib. 



241 

 241 



226 

 226 

 242 



242 



184 



184 

 191 



192 

 193 



192 

 193 



193 



Conjugate longata Vauch 

 Cosmarium Corda, 



Cosmarium angulosum Brib 

 Cosmarium binum Nordst. 

 Cosmarium bireme Sordst. 

 Cosmarium Blyttii WilU. 



Cosmarium Burkillii . 



Cosmarium connatuca Brib 



Cosmarium 



contractum Kirchn 



Cosmarium Cordanum Br6b. . > • • • 

 Cosmarium dichondrum W. Sf G. 8. West va, «t> 



hexagonum 



Cosmarium dispersum Johnson . . • • 



Cosmarium exiguum 



Arch. 



Cosmarium glaphyronotum 



Cosmarium granatam Brib. 



21* 

 SSS 



23* 



in 



129 



22* 



181 

 181 



S3! 



IM 



202 



204 



209 



2«8 

 208 



SOS 

 202 



206 



207 

 202 



204 



208 



203 



