378 GEOLOGICAL SURVEY OF CANADA. 



(2572.) C. Straminea, Willd. ; Bailey, Mem. Torr. Bot. Club, 

 I, 31. 



C. straminea, var. tenera, Macoun, Cat. IV., 132. 



This includes the lax forms hitherto included in var. tenera. In 

 thickets at Agassiz and Shuswap Lake, B.C. 1889. (Macoun.) 



Var. brevier, Dewey ; Bailey, Mem. Torr. Bot. Club, I., 22. 



Eeferences under C. straminea and var. festucacea, Macoun, Cat., IV., 

 131-132, belong here. 



Var. cumulata, Bailey, Mem. Torr. Bot. Club, I., 23. 

 C. straminea, var. alata, Macoun, Cat. IV., 133. 



" Culm very tall and stiff ; spikes several to many (sometimes 25 !), 

 greenish, usually aggregated into a bunchy head, very densely flowered 

 and squarely contracted at the base, short and pointed, spreading ; peri- 

 gynium appressed, the points therefore not conspicuous." 



(3194.) C. silicea, Olney; Bailey, Mem. Torr. Bot. Club, I., 24. 

 C. straminea, var. moniliformis, Tuckerman; Macoun, Cat. IV., 133. 

 All references in Part IV., 133, under the above variety, belong here. 



(2573.) C. Preslii, Steud.; Bailey, Mem. Torr. Bot. Club, I., 52. 



C. leporina, L., var. Americana, Olney ; Macoun, Cat. IV., 133. 

 Prof. Bailey says that the synonym C. petasata, Dew., should not 

 have been placed here in Part IV. All our own specimens go here. 

 Summit of Mount Queest, Gold Eange, B.C. Alt. 6000 feet, 1889. 

 (J. M. Macoun.') Gold Eange, north of Griffin Lake, B.C. Alt. 6500 ft. 

 1889. (Macoun.) 



(2574.) C. bicolor, Allioni; Macoun, Cat. IV., 134. 



Of a specimen received from Mr. J. Brittain, Fredericton, New 

 Brunswick, which we doubtfully referred here, Professor Bailey writes : 

 " It has many of the characteristics of C. bicolor, but I should prefer to 

 call it C. aurea until more material accumulates." It is retained here 

 until New Brunswick collectors get more material. Upper Eesti- 

 gouche Eiver, N.B., July, 1883. (Brittain.') 



(2578.) C. atrata, Linn., var. ovata, Boott; Macoun, Cat. IV., 135. 



" Habitually more slender than the species and usually lower, spikes 

 small or oblong-ovate, reddish-brown, slenderly peduncled," This form 



