No banner waved on Cardross[213] gate,
On Duchray’s[214] towers no beacon shone,
Nor scared the herons from Loch Con;
All seemed at peace.—Now wot ye why
The Chieftain, with such anxious eye,
This western frontier scann’d with care?—
In Benvenue’s most darksome cleft,
A fair, though cruel, pledge was left;
For Douglas, to his promise true,