HOW TO KNOW THE FRESH-WATER ALGAE 



Synecococcus 



p. 183, fig. 322 

 Synechocystis 



p. 178, fig. 312 

 Tetrapedia 



p. 183, fig. 321 



2. Order Chamaesiphonales 



Family Chamaesiphonaceae 

 Chamaesiphon 



p. 176, fig. 306 

 Family Pleurocapsaceae 

 Hyella 



p. 176, fig. 307 

 Oncobyrsa 



p. 177, fig. 311 

 Pleurocapsa 



p. 177, fig. 310 

 Xenococcus 



p. 176, fig. 308 



3. Order Hormogonales 



Family Oscillatoriaceae 

 Arthrospira 



p. 159, fig. 273 

 Dasygloea 



p. 165, fig. 284 



Hydrocoleum 

 p. 164, fig. 282 



Lyngbya 



p. 159, fig. 272 



Microcoleus 

 p. 164, fig. 283 



Oscillatoria 

 p. 161, fig. 277 



Phormidium 

 p. 163, fig. 281 



Porphyrosiphon 

 p. 162, fig. 279 



Schizothrix 

 p. 165, fig. 285 



Spirulina 



p. 158, fig. 270 



Trichodesmium 

 p. 162, fig. 278 



Family Nostocaceae 

 Anabaena 



p. 158, fig. 271 

 Anabaenopsis 



p. 171, fig. 296 

 Aphanizomenon 



p. 172, fig. 298 

 Aulosira 



p. 173, fig. 301 



Cylindrospermum 



p. 170, fig. 295 

 Nodularia 



p. 172, fig. 299 

 Nostoc 



p. 173, fig. 300 

 Wollea 



p. 171, fig. 297 



Family Stigonemataceae 

 Capsosiia 



p. 168, fig. 291 

 Hapalosiphon 



p. 169, fig. 293 

 Nostochopsis 



p. 168, fig. 290 

 Siigonema 



p. 169, fig. 292 



Family Scytonemataceae 

 Desmonema 



p. 175, fig. 304 

 Diplocolon 



p. 175, fig. 305 

 Microchaete 



p. 170, fig. 294 



Piecfonema 



p. 161, fig. 276 



Scytonema 



p. 174, fig. 302 



Tolypothrix 

 p. 174, fig. 303 



Family Rivulariaceae 

 Amphithrix 



p. 160, fig. 274 



Calothrix 



p. 160, fig. 275 



Dichothrix 



p. 167, fig. 289 



197 



