XXIX. CUPULIFERÆ.
132. Betula papyrifera, Michx.—W.
North shore of Lake Athabasca.
Daly Lake.
The Indians make their canoes from the bark of this tree. Trees sufficiently large for canoes were seen as far north as the north end of Selwyn Lake and the northern bend of Cochrane River. From these places northward it gradually decreases in size, until it disappears at about the northern limit of the forest.
133. Betula pumila, L.
Red Hill, on the west shore of Hinde Lake.
Boyd Lake.
134. Betula glandulosa, Michx.
Daly Lake.
Loudon Rapids, above the Forks of Telzoa River.
Tobaunt River, between Schultz and Baker Lakes.
Fairly common, is a small shrub on the Barren Lands as far north as Ferguson River.—J. B. T.
135. Alnus viridis, D.C.—W.
Carey Lake. Quartzite Lake, on Ferguson River.