CATALOGUE OP CANADIAN PLANTS. 465 



the Columbia-Kootanie valley. In certain districts of the interior of 

 Vancouver Island this tree is abundant, and is found in all parts of the 

 southern portions of the Coast Eange where there is an abundant rain- 

 fall. It has not been observed on Queen Charlotte Islands, though it 

 may exist there. (^Dawson.) 



(2074.) P. flexilis, James. Eocky Mountain Pine. 



A few trees are found along the Bow River, on both sides, from a few 

 miles above Calgary to Morley, and a few others at Kananaskis station, 

 in the foot-hills of the Rocky Mountains. (Macou7i.) Found also in the 

 eastern and lower part of the South Kootanie Pass, and on tributary 

 valleys of the Old Man in the foot-hills. Probably also on lateral val- 

 veys of the Fraser, near Lillooet and elsewhere, though not always 

 distinguished from the next species. (JDaicson.') 



(2075.) P. albicaulis, Engelm. White-barked Pine. 



P. Lambertiana, var. j3. Hook. Fl. II., 161. 



p. flexUiSi Lyall in Jour. Linnaeau Soc. VII., 142. 



P. flexilis, var. albicaidis, Engelm. Bot- California II., 124. 



On the Rocky Mountains, at an altitude of from 6,000 to 7,000 feet, 

 extending westward from Castle Mountqjn to the summit of the Selkirk 

 Range. (Macoun.) " Height of Land," in the Rocky Mountains, Lat. 

 52^. (Drummond.) Between the Bow Pass and the 49th parallel in the 

 Rocky Mountains, everywhere ; not uncommon at considerable eleva- 

 tions and near the timber-line. Sweet G-rass Hills, Lat. 49°. Observed 

 in the Coast Range of British Columbia as far north as the Iltasyouco 

 River, Lat. 53°. Occurs in the mountains south of the upper part of 

 the Dean or Salmon River, within the Coast Range. On the summit 

 of Iron Mountain, at the junction of the Cold water and ISicola, Noted 

 by Mr. Sargent on Silver Mountain, near Yale, at 5,000 feet elevation. 

 {Dawson.) 



(2076.) P. resinosa, Aiton. Red Pine. 



P. rubra, Michx. N. American Sylva II., 244, 1819. 

 This tree is not so widely distributed as the white pine, and much 

 more local, as it delights in the poorest soil, esijecially that formed by 

 the Algoma sand formation, lying amongst the Huronian rocks or 

 forming "plains" to the south of them. Pictou county, N.S. 

 (McKay.) Very abundant on extensive sandy plains at Kingston, on 

 the Windsor and Annajjolis railway, N. S. (Macoun.) Abundant in 

 many places in old forests, New Brunswick. (Fowler's Cat.) Tobique 

 River, and on the New Brunswick and Canada Railway, fifty miles 

 from St. Andrews, N.B. On the upper part of the Patapedia River, in 



