Go round those riders and turn west." Black Star sailed over the low sage, and in a few leaps got into his stride and was running.

Venters spurred Night after him.

It was hard going in the sage.

The horses could run as well there, but keen eyesight and judgment must constantly be used by the riders in choosing ground.
And continuous swerving from aisle to aisle between the brush, and leaping little washes and mounds of the pack-rats, and breaking through sage, made rough riding.

When Venters had turned into a long aisle he had time to look up at Tull's riders.