They were all real, and here was he, Amory, smoking.

And yet what was all this amazing talk about danger in the palace, and being warned, and remembering the tower?
"Anybody would think I was Crass, writing head-lines," he told himself, and blew a cloud of smoke through which to look at Jarvo.
"What are you talking about ?" he demanded sternly.
Jarvo had a little key in his hand, which he shook.

The key was on a slender, carved ring, and it jingled.

And when he offered it to him Amory abstractedly took it.
"See, adon," said Jarvo, "see! In the ilex grove on the road that we took last night there is a white tower--it may be that you have noticed it to-day.

That tower is empty, and this is the key.