CATALOGUE OF CANADIAN PLANTS. 129 



specimens he does not know, but thinks they are different from both 

 C. scoparia and 0. pratensis. Of these he says: "Mihi ignota; forsani 

 forraa C scoparia ; differt a G. pratensi, foliis brevioribue magisque 

 scabris, spicis magis approximatis, squamis atrofuscis, &c.'' — Feb. 16,. 

 1888, Job. Lange. 



From the above it is evident that these forms are included in the 

 specimens referred to 0. pratensis, but we must wait for more light 

 before finally deciding. 



(2567.) C. adusta, Boott, Hook., Fl. II., 215, (1840.) 

 C. argyraniha, Tuckerman in Herb., (1859.) 

 C albolutescens, Olney, Exsicc. I., 8, (1870.) 

 C. albolvtescens, var. argyraniha, Olney, Exsicc. I., 9, (1870.) 

 C. albolutescens, var. sparsiflora, Olney, Exsicc. V., 11, (1870.) 

 C. adusta, var. argyraniha, Bailey, Garex, Cat. (1884.) 

 Eichibucto, Kent Co., and other localities, N.B. (^Fowler, Cat.) 

 Harbor Island, Mingan, Q. {8t. Cyr.) Woods near Niagara Falls, 

 Ont. ; very abundant in woods through which fire has run, everywhei-e 

 around Lake Superior, and Lake Nipigon and westward to Eainy Lake. 

 (Macoun.) Port Arthur, Lake Superior ; and Emerson, Man. {Burgess.) 

 On grassy slopes in the Columbia and Beaver Creek valleys^ Selkirk 

 Mountains, B. C. {Macoun.) Methy Portage, lat. 5*7°. {Richardson.), 

 Common in British America to the Eocky Mountains. {Hooker, Fl.) 



(2568.) C. pinguis, Bailey, Bull. Bot. Minnesota, (1886.) 

 C. adusta, var. glomerata, Bailey, Carex, Cat. (1884.) 

 C- albolutescens, var. glomerata, Olney, Exsicc. V., 10, (1870.) 

 This species differs from 0. adusta in its stiff culm ; dense broad head,, 

 of which some spikes, or at least the lowest one, are subtended by a 

 short and very broad-based, nerved and pointed bract; perigyniuni. 

 very plump, and nearly filled by the achenium, flat or convex and. 

 nerveless, or very nearly so, on the inner face, wingless or slightly 

 margined above. It grows in dense tufts in dry soil. {Bailey.) 

 Eichibucto, Kent Co. ; Nepisiquit Lake and Lower Tobique Eiver, KB. 

 {Fowler, Cat.) Eiver Ste. Marguerite, Q. {Pringle.) Burnt woods, 

 Tudor, Hastings Co. ; woods, Elliott's Falls, Gull Eiver, Yictoria Co. ;. 

 abundant at Livingstone Point, Lake Nipigon ; Eainy Etver, near the 

 Lake of the Woods ; and in the Touchwood Hills, Assiniboia. {Macoun.) ■ 



(2569.) C. arida, Schweinitz & Torrey, Car. Mon. 312, (1824) ;. 

 Hook., Fl. II., 214. 



C. scoparia, var. MusKngumends, Tuckerman, Enum. Meth. 17, (1843.) 

 C. Muskingumensis, Schweinitz, An. Tab. (1823-) 

 Apparently rare in Canada. Wet thickets on the prairie, between, 

 Point du Chien and Winnipeg, Man, {Macoun.) 

 9 



