CATALOGUE OF CANADIAN PLANTS. 331 



(1532.) P. humile, Willd. 



P. cseruleum, var. humile, Hook. Fl. II., 71. 

 From Lat. QQ" to the Arctic Sea coast, in deep sand. {Richardson.) 

 Arctic coast to St. Paul's and the Shumagin Islands. {Gray.) West 

 of the Mackenzie River. {Dease.) Lake Lindeman, soui-ce of the 

 Youcon Eiver, Lat. 60°. {Schwatka.) 



Var. pulchellum, Grray. 



P. cseruleum, var. pulcJterrimum, Hook. Fl. II., 71. 

 P. pulcherrimum, Hook. Bot. Mag. t., 2979. 



Summit of South Kootanie Pass, Lat. 49° ; also, western summit of 

 the North Kootanie Pass, Rocky Mountains. {Dawson.) In the bed 

 and along the slopes of Blackwater River at the crossing of the 

 Telegi-aph Trail, B.C. {Macoun.) 



(1533.) P. caeruleum, Linn. 



P. caeruleum, var. vulgare, Hook. Fl. II., 71. 



Canada. {Sheppard.) Along the base of the Rocky Mountains. 

 {Drummond.) Arctic Sea coast. {Ricliardson.) Eliguck Lake, north- 

 ern British Columbia. (Dawson.) Norton Sound to Point Barrow ; 

 islands of St. George, Ounalashka and Chamisso. {Rothr. Alask.) 



Var. acutiflorum, Ledeb. 



High north-west coast and Aleutian Islands. {Gray.) 



(1534.) P. micranthum, Benth. 



Damp grassy places, above Boston Bar, on the Wagon Road, along 

 the Fraser, B.C. {Macoun.) Vicinity of Victoria, Vancouver Island. 

 {Fletcher.) 



LXVI. HYDRO PHYLLACB^. Water-leap Family. 

 406. HYDROPHYLLUM, Linn, (WATER-LEAF.) 



(1535.) H. capitatum, Dougl. 



On gravelly hillsides, western summit of the Forth Kootanie Pass ; 

 also in the Cascade Mountains on Skagit River, B.C. {Dawson.) 



(1536.) H. Virginicum, Linn. 



Woodfield, near Quebec, 1820. {Sheppard.) Nicolet, Montreal and 

 Eastern Townships. {Maclagan.) Beauharnois Co., Q. {McGill Coll. 



