CATALOGUE OF CANADIAN PLANTS. 177 



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

 Hook., Fl. IL, 2aO. 

 Abundant in cultivated fields and wa.ste 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 of Ottawa. (Fletcher, Fl. Ott.) Common at Prescott, Ont. 

 (Billings-) Abundant throughout central Ontario, and westward to 

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

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

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

 Macoun.) t^uite 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. Caus-QALLi, Linn. ; Michx., Fl. I., 46 ; Pursh, Fl. I., 66 ; 

 Macoun, Cat. No. 2258. 



Opri.imi'nu.i Crus-Oalli, Kunth; Hook., Fl. II., 236. 

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

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

 barnyards and gardens. X.B. (Fowler, Cat.) St. Chai-les 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.) Vicinitj' of Ilamilton, Ont. (Logie.) Abun<lant around 

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



Var. hispidum, Kll. Sk. L, 114. 



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



P. Walter/, Pursh, Fl. I., 60. 



Oplinmiiiui mwicalxis, Kunth ; Hook., Fl. II., 236. 

 Eather 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, Rtum. & Schultz. ; Hook., Fl. II., 235. 



P. involutum, Terr., 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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