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Ankistrodesmiis closterioides (Bohlin) Priiitz rr rr 



* » falcatiis var. radiatus (Chod.) Lemm. rr rr 



Coelastrum microporum Naeg. — rr 



» sphaericum Naeg. + + 



Glaucocystis Nostochinearum Itzigs. — rr 



Chaeiosphaeridium Pringsheimii f. conferta Klebahn (tycho- 



planktont) — rr 



Conjugatae. 



Arthrodesmus convergens Ehrenb. — rr 



» Incus var. indentatus W. & G. S. West rr rr 



» hexagoniis Boldt r -f 



Closterium lineatum Ehrenb. rr r 



» parvulam Naeg. > — rr 



Cosmarium contractum Kirchner rr r 



» portianum Archer — rr 



» striatum Boldt rr + 



Euastrum deniiculatum (Khxhner) Gay — rr 



Micrasterias Crux melitensis f. simplex Borge — rr 



Netrium Digitus (Ehrenb.) Itzigs. et Rothe — rr 



Penium miimtum (Ralfs) Cleve — rr 



Sphaerozosma Regnesii (Reinsch) M. Schmidt + c 



Staurastrum cuspidatiim Breb.. + c 



» polytrichum Rab. rr rr 



» forficulatiim Lundell forma rr + 



* » connatum var. reciangulare Roy et Biss. + c 



* » iotanmn Wolle et var. tortum n. var. + c 



» lunatam Ralfs -t- + 



» mucronatum Ralfs — rr 



» orbiculare (Ehrenb.) Ralfs rr r 



» dispar Breb. — rr 



Myxophyceae. 



Microcystis stagnalis Lemm. cc r 



Gomphosphaeria Naegeliana (Unger) Lemm. rr rr 



Anaboena sp. — rr 



Flagellatae. 



'■^'Dinobryon marchicam Lemm. — rr 



» Ser talaria Eh ren berg rr — 



