174 Proceedings of the Royal Irish Academy. 



III. — Cyanophyoeae — continued. 

 Calothrix 



intermpta Carm. = a Lichen. 



mirabilis Kiitz. = Tolypothrix lanata Wartm. 



rhizomatoidea Reiiisch = Hapalosiphon fontinalis Bo7'n. 

 Chroococcus 



minor Niig. = C. minimus Lemm. 

 Chthonoblastus 



lyngbyaceus Thur. = Hydrocoleus lyngbyaceus Kiitz, 



repens Kiit:. = Miorocoleus vaginatus Gom. 

 Clathrocystis 



aeruginosa Henfrey = Microcystis aeruginosa G. S. West. 

 Coccochloris 



mooreana Barv. = AphaDothece prasina A Br. 

 Conferva 



Myocbrous Dillw. = Scytonema Myochrous Ag. 



vaginata Dillw. = Miorocoleus vaginatus Goin. 

 Cylindrospormum 



flesuosom Rabh. = Auabaena oscillarioides Bonj. 



macrospermum Kiitz. = C. stagnale Born ct Flak. 



majus Kiit:. = C. stagnate Borti. ct Flah. 

 Didymoheli.Y 



ferrnginea Griffith = Lyngbya ocbracea Thur. 

 Gloeothece 



devia Nig. = G. rupestris Bom. 



Gloeotricbia 



Pisam Thur. = G. ecbinulata P. Richter. 

 Haematococcus 



lividus llciss. = Gloeocapsa livida Katz. 



rupestris Hon. => Gloeocapsa polydermatica Rati. 

 Hapalosiphon 



Braunii Nag. = H. fontinalis Born. 

 Hassallia 



ocellata Has$. = Stigonema ocellatum Thur. 

 Hypheothrix 



montana Kiitz. = A. Bacterium. 

 Inaotis 



Kiitzingii Rabh. = I. vaginata Niig. 

 Leptotbrix 



ocbracea Kulz. = Lyngbya ocbracea Thur. 



