Utiliser "birchen" dans une phrase

1. "You showed knowledge in the shaping of a birchen bark, Uncas, when you chose this from among the Huron canoes," said the scout, smiling, apparently more in satisfaction at their superiority in the race than from that prospect of final escape which now began to open a little upon them

2. "'Tis a canoe of good birchen bark, and paddled by fierce and crafty Mingoes

3. Anne was sitting on the big gray boulder in the orchard looking at the poem of a bare, birchen bough hanging against the pale red sunset with the very perfection of grace