1913] Klugh,— Notes on the Algae of Georgian Bay 89 
CYANOPHYCEAE. 
Chroococcus turgidus, Naegeli. Among stems of plants in a dried 
up marsh on the shore of Georgian Bay at Collingwood, Sept. 19. 
Glococapsa fusco-lutea, Kuetzing. On rocks in Georgian Bay near 
Rattlesnake Harbour, Fitzwilliam Island, Sept. 8. Sheaths mostly 
brownish but some reddish, in color. This is the first Canadian 
record. 
Glococapsa rupestris, Kuetzing. In a pool in flat limestone rock on 
the shore at Tobermory, Sept. 9. 
Glococapsa ambigua, Naegeli. On rocks near Rattlesnake Harbour, 
Sept. 8. In pool in limestone rock at Tobermory, Sept. 9. ‘This 
species has not been previously recorded from Canada. 
Aphanothece saxicola, Naegeli. On rocks in Georgian Bay near 
Rattlesnake Harbour, Sept. 8. 
Microcystis marginata, Kuetzing. Shawanaga River, Parry Sound, 
Aug. 26. 
Coelosphaerium | kuetzingianum, Naegeli. In plankton, Miiller’s 
Bay, Go-Home Bay, Aug. 17. 
Merismopedium glaucum, Naegeli. In the French River, Aug. 31. 
Oscillatoria tenuis, Agardh. In a small stream into the Shawanaga 
River, Aug. 27. On dead twigs in a little lake off the Shawanaga 
River, Aug. 27. 
Lyngbya aestuarii, Liebmann. In the North River at Waubaushene, 
Aug. 24. 
Lyngbya aerugineo-caerulea, Gomont. Along the banks of the North 
River at Waubaushene, Aug. 24. "This is the first Canadian record 
for this species. 
Nostoc verrucosum, Vaucher. Shore of the Severn River, Mus- 
koka, Aug. 23. 
Nostoc commune, Vaucher. Among stems of plants in a dried 
up marsh on the shore of Georgian Bay at Collingwood, Sept. 19. Re- 
corded previously in Canada only from Davis Strait. 
Nostoe pruniforme, Agardh. Shore of the Severn River, Aug. 23. 
Not previously recorded from Canada. 
Anabaena circinalis, Rabenhorst. Plankton, Go-Home Bay, Aug. 
17. This is the first Canadian record for this species. 
Anabaena catenula, Bornet & Flahault. On dead twigs in a little 
lake off the Shawanaga River, Aug. 27. 
