12 GEOLOaiCAL SURVEY OF CANADA. 



(2234.) P. verticil lata, Nutt. Gen. II., 192. 



Arethusa verticiUata, Pursh, Fl. II., 591. 

 A. medeoloides, Pursh, Fl. II., 591. 



Low damp woods, Komoka, Ont. ; rare. (^Burgess. Millman.) 



598. EPIPACTIS, R. Br. 



(2235.) E. gigantea, Dougl. Hook., Fl. II., 202. 

 E. Americana, LindL, Orchid. 462. 

 Under evergreens, at Osoyoos Lake, B.C. (Dawson.) 



599. ORCHIS, Linn. Gen. 1009. (ORCHIS.) 



(2236.) O. spectablis, Linn. Hook., PL IL, 195 ; Pursh, Fl. IL SST. 

 0. humUis, Michx., Fl. II., 155. 

 Eich low woods, rather rare. Keswick, and at Eel Eiver, Carleton 

 €o., N.B. (Fowler, Cat.) Gomin's wood, Quebec. (St. Cyr.) Vicinity 

 of Montreal, 1821. (Dr. Holmes.) Stewart's bush and other locali- 

 ties near Ottawa, not uncommon. (Fletcher, Fl. Ott.) Miriwia's 

 ■woods and elsewhere around Prescott, Ont. ; common. (Billings.) 

 Eich woods near Belleville, Hastings Co. ; also at Castleton and 

 Campbellford, Northumberland Co., Ont. (Macoun.) Vicinity of 

 Hamilton. (Logie.) Eich woods, London, Ont. (Burgess. Millman.) 



(2237.) O. aristata, Fisch. Hook., Fl. II., 195. 



O. latifolia, Linn. Bothrock's Alaskan Plants, 456. 

 Ounalashka. (Chamisso vide Soaker.) 



.(2238.) O. rotundifolia, Gray, Amer. Journ. Sci. OXIV., 72, 

 Pursh, Fl. II., 588. 



Habenaria rotundifolia, Eich. Gray, Man. Ed. V., 500, Macoun, Cat, 



No. 1773. 

 Platanthera rotundifolia, LindL Orchid. 286.' 



Occasionally met with in peat bogs ; commoner westward. Eivi^re de 

 Brig, Anticosti. (Macoun.) In damp woods near EiviSre du Loup, Q. 

 {Thomas.) Mingan Islands, Q. (St. Cyr.) Very abundant in the big 

 ST^amp, Murray, Northumberland Co., Ont. Low's swamp, near 

 Ottawa. (Fletcher, FL. Ott.) Lake Mistassini, N.E.T. ; also South 



