14G (iEoI.OOll'AI, SirilVKY dl" CANADA. 



Var. melanocarpa, Hook. l-'l. I., i^oi. 



Mc.tjiHiiK orlmlijoliti, var. uiilniiociirfnt, Midix. II. I., '_';•:.>. 

 /'. m.l<inot;iri»i, Willd. Pnrsli, :{3}». 



Tlio common form in New IJriiiiswick. {Fouler x Cat.) Roc-Uy Lake, 

 N.S. {Limhn/.) Vicinity ol' Monlivak {Mr(i ill Coll. IL'rh.) Common 

 in Ontario, ami cMcmlini;- to Stiir;;-i'()n l^akc, Dawson lloulo, west of 

 Lake Siipt'iioi-. ( .l/fNvx/n.) 



((574.) P.Americana, IH". Amei-ican .Mounlain-Ash. 



Sorl'iis A)iiiric<iiiii, Marsh. I'lirsh, :;41. 



/'. Aticiifiiiriii, Mover. Hook. Arcl. I'l., L'iMi, in [tart. 



Tool, rockv woods. Nowli)un(lian(i. {Morrison.) I'iclou, and Ciii)o 

 Hroton Island, N.S. {McKdtj.) Jlalifax. (Ldwson.) Common in 

 wootis, y.B. {Fowler's C<tt.) Abundant in (Quebec and northei-ii 

 Ontario, ami especially .so ai-ouiul Lake Siij)ei-ior. On islands in Luke 

 Winnipeicoosis, Man., becomini^ a tree a foot in diameter. {Macoun.) 



(675.) P. sambucifolia, Cliam. & Schlecht. 



Sorlmsi AucKparict, var. /?, Miclix. Fl. I., 290. 

 P. Americana, Richards, in Frank). Joiirn., 215. 

 P. Aiicuparia, ^Meyer. PI. Bourgeau, 256 and 2(13. 



Winnipei; River, Man. {Bourgeau.) Maline Rapids, Dawson Route, 

 west of Lake Superior ; in woods north of Little Slave Lake, N.W.T., 

 and westward thi-ongh the Rocky Mountains. {Macoun.) Montreal 

 Mountain. {Mr Gill Coll. Herh.) Vicinity of Ottawa. {Fletcher, Fl. 

 Ott.) Northendof Lake Winnipeg. {E.Bell.) Sitka. {Rothr. Alask.) 

 South Greenland. {Hook. Arct. PL) This and the preceding species 

 either pass into each other or they are badly characterized. {Macoun.) 



(67(3.) P. rivularis, Dougl. 



Xootka Sound and other parts of North-west Amei-ica. {Menzies.) 

 Observatory Inlet. {Scouler.) Abundant on Vancouver Island and 

 in the LoAver Valley of the Fraser. {Macoun.) Queen Charlotte Islands 

 and generally on the coast of British Columbia. Up the Skeena Rivei-, 

 B.C., to ninety miles fi*om the sea. (Dawson.) Sitka. {Rothr. Alask.) 



174. CRAT/ECUS, Linn. (WHITE THORN.) 



(677.) C. oxyacantha, Linn. English Hawthorn. 



Cultivated in many parts of Ontario. Fruiting abundant!}'. Planted 

 for hedges in Nova Scotia, New Brunswick and Quebec. 



