394 GEOLOGICAL SURVEY OP CANADA. 



Cypress Hills. (J. M. Macoun.) On very dry soil at Lytton, B.C. 

 (Macoun & Fletcher.} Abundant in dry valleys of southern interior of 

 British Columbia. (Dawson.} 



Yar. spinulosa, Gray. 



In same situations as the preceding variety, but much rarer. Wood 

 Mountain, on the 49th parallel. (Burgess.) On the Bear Hills, north 

 of the Eed Deer Lakes and near the Hand Hills, N.W.T. (Macoun.) 



Var. arista ta, Gray. 



P. aristata, Michx. Fl. I., 95. 



This form seems to prefer a moister and more elevated region. 

 Summit of the Cypress Hills and northward through the sandhills to 

 the South Saskatchewan. (Macoun.) 



(1812.) P. Bigelovii, Gray. 



In salt marshes near the coast at Victoria, Vancouver Island. 

 (Macoun.} A small form. (Gray.} 



(1813.) P. pusilla, Nutt. 



B. Bigelovii, Watson. Dawson, Bound. Rep., 367. 



On sandy or gravelly soil in the prairie region. _ Along the Trader's 

 Eoad, east of Wood Mountain, 49th parallel. (Dawson.} Cypress 

 Hills north-west of Fort Walsh. (Macoun} On the prairie at Maple 

 Creek north of Cypress Hills. (J. M. Macoun.) 



(1814.) P. media. Linn. Scented Plantain. 



Sparingly introduced, but thoroughly naturalized and very persistent 

 on Parliament Hill and Major's Hill, Ottawa. (Fletcher.) 



498. LITTORELLA, Linn. (SHORE-WEED.) 



(1815.) L. lacustris, Linn. Plantain Shore-weed. 



On the margins of lakes and ponds, growing under water, or close 

 to it. Collected on Ship Island, in Gull Lake, an expansion of Gull 

 Eiver, below Minden, Victoria Co., Ont. July 29th, 1868. It was 

 many miles from any settlement and unquestionably indigenous. 

 (Macoun.) North end of Lake Champlain. (Pringle.) On the shores 

 of Grand Lake, N.S. (Miss E. K. Wright.) 



