134 



28. CH^TOMORPnA Melagonium^ Kiitz. Ner. Bor. Anier. 3,/). 85. 

 Hab. Eoots of large Algte, Wlialefish Islands, Dr. Lyall. 



29. CniETOMORPHA Piquotiiina, Mont. Ner. Bor. Amer. 3, p. 85. 



Hab. Floating in the sea, near Whalefisli Islands, Davis's Straits, Dr. Lyall. (A 

 single filament only !) 



30. HoRMOTRiCHDM Carmichaelu, Harv. iVV. Bor. Amer. 3, p. 90. 

 Hab. Wellington Channell, Dr. Lyall. 



31. HouMOTRiCHUM boreak, Harv. Ker. Bor. Amer. 3, p. 90. 

 Hab. "Whalefisli Islands, Dr. Lyall. 



32. Hormotrichum Wormskioldii, Kiitz. Ner. Bor. Amer. 3, p. 91. 



Hab. Dredged in 6 fathoms, in Queen's Channel, 76° 29' N., 96° 13' W., Dr. Lyall. 

 Coast of Greenland, Lynghye. 



33. MouGEOTiA (species innominata.) 



Hab. In fresh water. Isle of Disco, Dr. Lyall. 



34. Lyngbya muralis, var. aquatica. Ner. Bor. Amer. 3, p. 104. 

 Hab. In pools of fresh water, Whalefish Islands, Dr. Lyall. 



35. Ulw latissima, 1,. Ner. Bor. Amer. 3, p. 59. 



Hab. Isle of Disco, and dredged in Queen's Channel, Dr. Lyall. 



36. Ulva bullosa, L. Ner. Bor. Amer. 3. p. 60. 



Hab. In pools of fresh water, Whalefish Islands, Dr. Lyall. 



37. Enteromorpha intest'malis, Link. Ner. Bor. Amer. 3 p. 57- 

 Hab. Whalefish Island, Dr. Lyall. (Probably universally spread.) 



38. Oscillatoria corium, Ag. Harv. Man. Ed. 1 p. 166. 



Hab. On stones in a running stream. Wellington Channel, Dr. Lyall. 



39. NosTOC arcticum, Berk. Ner. Bar. Amer. 3, p. 113. 

 Hab. Assistance Bay, lat. 75° 40' N., Dr. Sutherland. 



40. NosTOC verrucosum, Vauch. Ner. Bor. Amer. 3, p. 114. 



Hab. Pools of fresh water. Isle of Disco, and at Beechey Islands, Dr. Lyall. 



41. NosTOC Sutherlandi, Dickie. Ner. Bor. Amer. 3, p. 114. 

 Hab. Winter quarters, Baffin's Bay, Dr. Sutherland. 



42. NosTOC micro.scojncum, Carm. Ner. Bor. Amer. 3, p. 115. 

 Hab. Bafiin's Bay, Dr. Sutherland. 



