What grass did Leo Nikolaevich Tolstoy cut before writing the next passage?

The telegram was from my wife. Her signature with a blue pencil, "Anna", came first into his eyes.
...
Peter, stop the car. I’m going to St. Petersburg,” he said to the lace."

Two points are drawn to attention here. First, it is unclear where the signature of the blue pencil on the _telegram_ came from. Second, the character asking to stop the car is sitting in a hotel room.