113 
C. loliacea L. 
Rare, and so far as is known, confined to muskegs on the upper slopes 
of Caribou mountains. Collected in fruit July 11. 
Eastern edge of Caribou Mountain plateau, No. 1957. 
C. canescens L., var. subloliacea Laestad. 
Common on muskeg pond margins in the upland districts, where its 
tussocks of pale foliage are conspicuous. Found in flower and immature 
fruit from late June to mid-July, and in fruit during August. 
Pine Lake district, No. 1899; Moose (Eight) Lake district, No. 1900; 
base of eastern slope of Caribou mountains, Nos. 1902, 1903; eastern edge 
of Caribou Mountain plateau, No. 1901. 
C. brunneseens Poir., var. sphaerostachya (Tuckerm.) Kiikenth. See Hhod. xxviii, 
163 ( 1926 ), 
Occasional at upland muskeg slough margins. Flowers in late June 
and fruits in early August. 
Moose (Eight) Lake district, No. 1896 ; base of eastern slope of Cari- 
bou mountains, No. 1898; eastern edge of Caribou Mountain plateau, No. 
1897. 
C. arcta Boott. 
Common in wet thickets on the upland. Found in various stages of 
flower and fruit during July and August, 
Near Round lake, about 18 miles south of Pine lake, No. 1952; sink- 
hole 16 miles east of Moose lake, No. 1953; base of eastern slope of 
Caribou mountains, No. 1951. 
C. obtusata Liljebl. 
Abundant in the driest parts of the upland prairies, where it becomes 
one of the dominant species over local areas. Collected in fruit during 
the middle part of July. 
Peace point, Nos. 1945, 1947; base of eastern slope of Caribou moun- 
tains, No, 1946. 
C. Rossii Boott. 
Apparently rare in this region, and found thus far only in dry, up- 
land woods along Slave river. In fruit during the latter part of June. • 
Fort Smith, No. 326. 
C. concinna R.Br. 
Occasional in upland muskeg thickets. Found in flower during the 
latter half of June, 
Salt mountain No. 1888; Pine Lake district, Nos. 1886, 1887. 
C. Richardsonii R.Br. 
Apparently rare in this region, and found thus far only in the dry 
upland woods along Slave river. In flower during the middle part of June. 
Fort Smith, Nos. 303, 1885. 
