CATALOGUE OF CANADIAI^ PLANTS. 193 



Kootanie Pass, Eocky Mountains ; upper crossing of the Blackwator 

 Eiver, B.C. CDawson.) Occasionally met with on dry gravelly slopes 

 in the Eocky Mountains, from Castle Mountain to Donald in the 

 Columbia Valley; Soda Creek, Fraser Eiver, and Spence's Bridge 

 B.C. (Macoun.) ' 



(2Y45.) O. melanocarpa, Muhl. Gram. 79. 



0. asperifolia, Kunth, Enum. I., 176, in part. 



Milium racemosum, Smith ; Bigel. Fl. Bost., 25. 



Piptatherum nigrum, Torr., Fl. I., 79. 



Urachne racemosa, Trin. Diss. I., 174. 

 Eocky woods, rather rare and local. Woods, vicinity of Ottawa. 

 (Fletcher, Fl. Ott.) Miriwin's Woods, near Prescott, Ont. (Billings.} 

 Very common amongst Laurentian rocks at Shannonville, and through- 

 out North Hastings, Ont. (Macoun.) Jones Falls, Eideau Canal, Ont. 

 (Millman.) Wooded hillsides, London, Ont. (Burgess. Millman.) 



(2746.) O. cuspidata, Benth. Journ. Linn. Soc. XIX., 82. 

 Ericoma cuspidata, Nutt. Gen. I., 40 ; Macoun, Cat. No. 2143. 

 Slipa membranacea, Pursh, Fl. II., 728 ; Hook., Fl. II., 237. 

 S. hymenoides, Rcem. & Sohultz. Syst. II., 339. 

 Urachne lanata, Trin. Panic. 38. 

 Pendleria rhynchelytroides, Steud. Syn. Gram. 420. 



A most beautiful grass, growing in large clumps on sand in the 

 prairie region and British Columbia. White Mud Eivei-, Assiniboia, 

 and Milk Eiver Eidge, Alberta. (Daioson. Burgess.} Very abundant 

 amongst sand hills at the source of the Qu'Appelle ; north of the 

 Cypress Hills ; and south of Battleford. (Macoun.) Fort Carleton, 

 Saskatchewan Eiver. (Hooker, Fl.) 



688. MILIUM, Linn. Linn. Gen. 79. (MILLET-GRASS) 



(2Y47.) M. effusum, Linn.; Hook., Fl. IL, 235. 



A fine tall grass, growing in cold damp woods throughout the north- 

 ern forest region. Wet thickets, Whycocomagh, Cape Breton; and at 

 Salt Lake, and Jupiter Eiver, Anticosti. (Macoun.} Eichmond, Carle- 

 ton Co., N.B. (Fowler, Cat.) Between Florenceville and Andover, 

 N.B. (Brittain.} Nepisiquit Lakes, N.B. (Say.) Island of Orleans, 

 and Thunder Eiver, Q. (8t. Cyr.} Sugar Bush Lake, Montcalm Co., 

 Q. (B' Urban.) Damp woods near Ottawa. (Fletcher, F I. Ott.} Woods, 

 near Prescott, Ont.; common. (Billings.) Cold woods, and cedar 

 swamps, central Ontario, westward to Owen Sound, and north-westerly 

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