490 su^mARY of current researches relating to 



Class I. CYANornTCE^E. 



Order I. Cbroococcoidca) (Coccogonca) Thr.). 

 Family 1. Chroocuccaccic (Gla30goncjc Cohn). 

 Genus 1. Chroococcus Nag. 



Sect. 1. Chroococcus a genuina (Acapsa Niig.). 



Sect. 2. Gloe()cai)sa Niig. 



Sect. 3. Aphaiiocapsa N;ig. 

 Genus 2. Chroothece Ilansg. 



Sect. 1. Chroothece a genuina (Synechoccus Niig.). 



Sect, 2. Glojothccc Nag. 



Sect. 3. Aphanothece Niig. 



Class II. Chlorophtce^. 



Order I. Protococcoidoa) (Coccophycca) Rbli.). 

 Family I. ralmcllaeea) (incl. Protococcacea)). 

 Genus 1. Pleurocoecus Meucgh. 



Sect. 1. Pleurocoecus a genuina Mencgh. ex part. 

 Sect. 2. Gloeocystis Niig. 

 Sect. 3. Palmella Nag. 

 Genus 2. Dactylothcce Lagerh. 

 Sect. 1. Stichococcus Nag. 

 Sect. 2. Dactylothcce Lagerh. 

 Sect. 3. Inoderma Ktz. 

 Genus 3. Ehodococcus Hansg. 



Sect. 1. Rhodococcus a genuinus Ilansg. 

 Sect. 2. Ehodocapsa Ilansg. 

 Sect. 3. Porphyridium Niig. 

 Order II. Nostociueos (Ncmatogenje RLh.) 



Sub-order 1. Chamaesiphonacca) (Cystogoncrc Bzi.). 

 Genus 1. Chamcesiphon A. Br. 

 Sect. 1. Sphserogouium Rfski. 

 Sect. 2. Brachythrix A. Br. 

 Sub-order 2. Isocystea) Bzi. 



Sub-order 3. Heterocystea3 Hansg. (Hormogoneje Thr.). 

 Family 1. Lyngbyacea) (Oscillariaceaj Rbh.). 

 Genus 1. Lynghija Ag. 

 Sect. 1. Leptothrix. 

 Sect. 2. Oscillaria (Phormidium Ktz.). 

 Sect. 3. Microcoleus Dcsm. 

 Sect. 4. Inactis Ktz. 

 Sect. 5. Symploca Ktz. 

 Family 2. Nostocaceje. 

 Genus 1. Nostoc Vauch. 



Sect. 1. Nostoc genuinus. 



Sect. 2. Anabajna Bory (incl. Dolichospermum Thw.). 



Sect. 3. Spermosira Ktz. 



Sect. 4. Cylindrospermum Ktz. 



Sect. 5. Sphajrozyga Ag. (incl. Aulosira Koch). 



