CATALOGUE OP CANADIAN PLANTS. 177 



(2694.) P. capillare, Linn.; Michx., Fl. I., 47; Pursh, Fl. I., 67 ; 



Hook., Fl. II., 236. 



Abundant in cultivated fields and waste places. Truro, and "Windsor, 

 N.S. (Macoun.) A weed in gardens and cultivated grounds, _N.B. 

 (Fowler, Cat.} Lobster Bay, and St. Charles Eiver, Q. (St. Cyr.) 

 Vicinity o? Ottawa. (Fletcher, FL Ott.) Common at Prescott, Ont. 

 (Billings.*) Abundant throughout central Ontario, and westward to 

 Port Arthur, Lake Superior. (Macoun.) Vicinity of Hamilton, Ont. 

 (Logie.) Fields at London, and Toronto. (Burgess.) Waste places, 

 Kingston, Ont. (Millman.) Wash)w Bay, Lake Winnipeg. (J. M. 

 Macoun.) Quite common along streams throughout the prairie region ; 

 observed only at Stamp Eiver Falls, near Sproat Lake, Alberni, Van- 

 couver Island. (Macoun.) Victoria, Vancouver Island. (Fletcher.) 

 Lytton, B.C. (Hill.) Saskatchewan. (Hooker, FL) 



(2695.) P. CRUS-GALLI, Linn.; Michx., Fl. I., 46; Pursh, Fl. L, 66; 

 Macoun, Cat, No. 2258. 



Oplismenus Crus-Galli, Kunth; Hook., Fl. II., 236. 



Usually along ditches and about barns in cultivated ground. Pictou, 

 N.S. (Macoun. McKay.) A very variable and troublesome weed about 

 barnyards and gardens, 3T.B. (Fowler, Cat.) St. Charles Eiver, Que- 

 bec city. (St. Cyr.) Vicinity of Ottawa. (Fletcher, FL Ott.) Very 

 common around Prescott, Ont. (Billings.) Abundant in barnyards 

 and ditches in the settled parts of Ontario, westward to Owen Sound. 

 (Macoun.) Vicinity of Hamilton, Ont. (Logie.) Abundant around 

 London, Ont. (Burgess. Millman.) West Eideau Lake, Ont. (Porter.) 



Var. hispidum, Ell. Sk. L, 114. 



P. muricatum, Michx., Fl. L, 47. (?) 



P. Walteri, Pursh, Fl. L, 66. 



Oplismenus muricatus, Kunth ; Hook., Fl. II., 236. 



Bather uncommon but apparently indigenous. Along the Nation 

 Eiver, at Casselman. (Fletcher, FL Ott.) In alluvium along the 

 Salmon Eiver, above Shannonville, Hastings Co., Ont. (Macoun.) 

 Point Edward, Eiver St. Clair, Ont. (J". M. Macoun.) Vicinity of 

 Hamilton, Ont. (Logie.) Distinguished chiefly from the species by 

 the very hispid sheaths of the leaves. 



(2696.) P. depauperatum, Muhl. Gram. 112. 



P. rectum, Rcem. & Schultz. ; Hook., Fl. II., 235. 

 P. involutum, Torr., Fl. I., 147. 



Dry sandy or rocky ground ; rather rare. Newfoundland. (Reeks,) 

 Sandy woodlands, Kingston, N.S. (Macoun.) Vicinity of Ottawa; rare. 

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