CATALOGUE OP CANADIAN PLANTS. 331 



(1532.) P. hum Me, Willd. 



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



From Lat. 66 to the Arctic Sea coast, in deep sand. (Richardson.) - 

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

 of the Mackenzie Eiver. (Dease.) Lake Lindeman, source of the 

 Youcon Eiver, Lat. 60. (Schwatka.) 



Var. puichellum, Gray. 



P. cseruleum, var. pvlcherrimum, 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, Kocky Mountains. (Dawson.) In the bed 

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

 Telegraph Trail, B.C. (Macoun.) 



(1533.) P. caeruleum, Linn. 



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



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

 (Drummond.) Arctic Sea coast. (Richardson.') Bliguck 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^B. WATER-LEAF FAMILY. 

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



(1535.) H. capitatum, Dougl. 



On gravelly hillsides, western summit of the North 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. 



