210 GEOLOGICAL SURVEY OF CANADA. 



NipigoD, and Eainy Lake. (Macoun.) Saugeen, Lake Huron, and at 

 Port Arthur, Lake Superior. (^Burt^ess.) Lake Mistassini, X.E.T. ; 

 Severn Eiver, Keewatin ; iloosc ilountain Creek, Assiniboia. (J. M. 

 Macoun.) Michipicotin River, and Oba Lake, Ont. ; O.xford House, 

 Keewatin. (R. Bell.) North Fork of Old Man Eiver, Eocky Moun- 

 tains; Lewes River, lat. 62°, and Felly Banks, lat. 62°, N. W. T. 

 (^Dawson.) Not rare along the Saskatchewan and all its branches, and 

 extending north to Peace River, and west through the Rocky Moun- 

 tains to the Columbia Valley. (^Macoun.) Saskatchewan to Bear 

 Lake. (Hooker, Ft.) Ounalashka, and the mainland of Alaska. 

 (Hothr. Alasl!.) 



Var. arctica, Vasey, Cat. Grasses U.S. 5.3, (1885.) 



J). c.t.«/>(7o8a, var. ,t major, Hook., Fl. II., 241. 

 Arctic sea-coast. {Hooker, Fl.) Kotzebue Sound, Ounalashka, Sitka, 

 and the interior of Alaska. (Rothr. Alask.) 



Var. Bottnica, Vasey, Cat. Gra.sses U.S. 53, (1885.) 



D. lioUnica, Wabl. ; Trin. Icon. t. 255. 

 ShoresoftheGulf of Georgia, and Queen Charlotte Islands. (Dawson.) 

 Sitka. (Rothr. Alask.) Port Etches, Alaska. (Barclay.) 



Var. longiflora, Trin. ; Vasey, Cat. Grasses U.S. 53, (1885.) 



Abundant in salt marshes at the mouth of the Nanaimo River, and 



along all the coasts of Vancouver Island, either under this form or the 



preceding one. (Macoun.) Ounalashka. (Rothr. Alask.) Vancouver 



city, B.C. (Prof. Fowler.) Queen Charlotte Islands, B.C. {Baicson.) 



Var. maritima, Vasey, Bull. Torr. Club, XV., 48, (N. Var.) 

 This is a very depauperate form, only 6-8 inches high, collected on 

 the South Twin Island, James Bay, by J. M. Macoun, 1887. 



(2805.) D. calycina, Presl, Eel. Htenk. I., 251. 



D. danthonioides, Munro ; Benth. PI. Hartwftg. 342. 

 Aira danthonioides, Trin. ; Hook., Fl. II., 243 ; Macoun, Cat. No. 2240. 

 Abundant in desicated places near Victoria, on Mount Tolmie, 

 Cedar Hill, at Goldstream, and Nanaimo, Vancouver Island. (Macoun.) 



(2806.) D. etongata, Munro.; Benth. PI. Hartweg. 342. 

 Aira ctongata. Hook., Fl. II., 243; Macoun, Cat. No. 223-5. 

 Abundant in numerous places on dry gravelly soil throughout the 

 southern part of Vancouver Island, at Cedar Hill, Goldstream, Che- 

 mainus, Nanaimo, Quallcum, and Alberni. (Macoun.) Near Victoria, 

 Vancouver Island. (Fletcher.) 



