Contrihutions lo Canadian Botany. 209 



(21.) P. AUSTINS, Greene. 



South Kootanie Pass, Kocky Mts., 1883. (Dr. G. M. 

 Dawson.) Xear the glacier at the head of Lake Louise, 

 IJocky Mt8. Alt. 7,500 ft. {John Macoun.) Dr. Dawson's 

 -specimens were collected a year before Mi-s. Austin's, and 

 were named P. tenue, Michx,, var. latifolium, Eng., by Prof. 

 Macoun. 



(22.) P. sPEEGULARi.i:FOBME, Meisn. 



P. coarctatum, Dougl. 



From the Columbia River at Sproat, B.C., to Vancouver 

 Island. 



(23). P. MINIMUM, Wats. 



South Kootanie Pass, Rocky Mte. (Dr. G. M. Daicson.) 

 Roger's Pass, Selkirk Mts., B.C.; Griffin's Lake, B.C. 

 (John Macoun. ) 



(24.) P. INTERMEDIUM, Nutt. 



Summit of Mt. Mark, Vancouver Island. (John Macoun.) 



(25.) P. IMBRICATUM, Nutt. 



Hand Hills and Cypress Hills, Alberta. (John Macoun.) 



(26.) P. Convolvulus, L. 



Common in fields and waste places from the Atlantic to 

 the Pacific. 



(27.) P. 8CANDENS, L. 



p. dumetorum, L., var. scandens, Gray. 



From Nova Scotia to the Cypress Hills, Alberta. 



(28.) P. ciLiNODE, Michx. 



In pine woods and thickets from Nova Scotia to the Peace 

 River, Athabasca. 



(29.) P. SAGITTATUM, L. 



From Prince Edward Island to the Saskatchewan. 



(30.) P. ARIFOLIUM. 



From Nova Scotia to Ontario. 



