Ill 
Its spikelets are among the earliest flowers of the spring. In full flower 
June 10, and immature fruit by the middle of July. Fruiting in late July 
and August. 
Along Peace river, near the Slave, No. 173; Pine Lake district, Nos. 
1689, 1691; Peace point, Nos. 1692, 1693; sink-hole 16 miles east of Moose 
lake, No. 1694; base of eastern slope of Caribou mountains, Nos. 1695, 
1696, 1697, 1698; junction of Nyarling and Little Buffalo rivers, Russell, 
No. 53. 
Phalaris arundinacea L. Reed Canary-grass. 
Occasional in damp meadows in the upland districts, and common in 
lowland sloughs where its tall culms and broad leaves add substantially to 
the wild hay. Found in flower during the second week in July, and in 
fruit during late July and August. 
Cree (Mamawi) creek, No. 1702; lower delta of Athabaska river, No. 
198; east shore of lake Mamawi, No. 1703; sink-hole near Round lake, 
about 18 miles south of Pine lake, No. 1704; sink-hole 16 miles east of 
Moose lake, No. 1705. 
CYPERACEAE 
Carex capitata L. 
Apparently rare. Found thus far only in muskeg thickets along upper 
Salt river, near Pine lake. In flower June 20 and immature fruit July 9. 
Pine Lake district, Nos. 1866, 1867. 
C. gynocrates Wormsk. 
Common in mossy muskeg timber and thickets in the upland districts. 
Found flowering in late June, and in fruit during July and August. 
Pine Lake district, Nos. 1883, 1884; Moose (Eight) Lake district. 
No. 1882. 
C. stenophylla Wahl. 
Apparently rare in the park area, and thus far collected only in a small 
patch of prairie on a granite knoll in the lower Peace delta. In fruit Aug- 
ust 9. 
East shore of lake Mamawi, No. 1958. 
C. Sartwellii Dewey. 
Apparently rare in Wood Buffalo park, and found thus far only at the 
margin of a sink-hole slough on the Peace Point prairie. Collected with 
immature fruits July 21. 
Peace point, No. 1915. 
C. siecata Dewey. 
One of the commonest sedges of dry woods and prairies, where it 
probably makes a substantial addition to the natural forage. In local 
areas in the upland prairies it becomes very abundant. Observed in flower 
during the middle and last of June, and "with fruit of varying degrees of 
maturity through July and August. 
Government Hay Camp district, Slave river, No. 1936; Fort Smith, 
No. 297; near Mission Farm, No. 1932; Pine Lake district, Nos. 1924, 
91963— 8i 
