214 GEOLOGICAL SURVEY OF CANADA. 



706. DANTHONIA, DC. (WILD OAT-GRASS.) 



(2818.) D. Californica, Bolander, Proc. Calif. Acad. II., 182. 



Eathei- common in tufts at Old Wives Lakes, east end of Eed Deer 

 Lakes, and west of Calgary, thrOTigh the foot-hills of the Eocky Moun- 

 tains to Canmore, within the mountains; rather common on dry soil 

 around Cedar Hill, and throughout the southern part of Vancouver 

 Island, and Nanaimo, Qualicum, and Alberni. (Macoun.) North point 

 of Texada Island, B.C. (Dawson.) Near Victoria, Vancouver Island. 

 {Fletcher.) The Vancouver Island form is between the species and 

 D. unispicata, and seems to unite them. 



(2819.) D. intermedia, Vasey. 



A most interesting grass in its peculiar range and change of habit. 

 Along Jupiter Eiver, Anticosti ; summit of Mount Albert, Gasp^, Q,, 

 alt. 4,000 feet ; very abundant in the prairie region, from Portage la 

 Prairie westward to the source of the Qu'Appelle ; on the Cypress 

 Hills, and from Calgary westward through the Bow Eiver Pass, Eocky 

 Mountains, to the Columbia Valley; at G-oldstream, Wellington Mine,. 

 Departure Bay, summit of Mount Mark, near Qualicum, and on rocks 

 along Barclay Sound, Vancouver Island. (Macoun.) Prairies at 

 Emerson, Man. (Burgess.) Eed Eiver, j\Ian., 182*7. (Douglas.) 



(2820.) D. spicata, Beauv.; Hook, Fl. II., 244. 



Avena spicata, Linn. ; Pursh, Fl. I., 86. 

 A. glumacea, Michx., Fl. L, 73. 



Dry sandy woods, from the Atlantic to the Pacific ; not rare but local. 

 Dry banks, Pictou, N.S. (Macoun & McKay.) Baddeck, Cape Breton. 

 (Burgess.) Dry soil, Glenelg, Guysboro Co., N.S. (Faribault.) Dry 

 barrens; common at Bass Eiver, N.B. (Fowler, Cat.) Tobique Eiver, 

 N.B. (Say.) Montmorency Eiver, Q. (St. Gyr.) Tadousac, Q. 

 (A. T. Drummond.) Vicinity of Ottawa. (Fletcher, Fl. Ott.) Abun- 

 dant in sandy meadows and almost everywhere around Prescott, Ont. 

 (Billings.) Very common on all dry and sandy soils at Belleville, and 

 westward to Eed Bay, Lake Huron. (Macoun.) Vicinity of Hamilton, 

 Ont. (Logic.) Port Colborne, Lake Erie. (McOill Coll. Herb.) Sandy 

 woodlands, London, Ont. (Burgess. Millman.) Lake of the Woods. 

 (Burgess.) Little Flat Eock Portage, Lake Nipigon; twenty-five 

 miles up the Kaministiqua, and on sandy soil around Lake Superior ; 

 Eed Deer Eiver, lat. 53°, Man. ; ]-ather common in the Eocky Moun- 



