His face was smooth-shaven, and his hair once black was now turning iron-gray.

He was then about sixty years old.
"A girl," said I deceitfully, "traveling afoot and alone on the prairie?
Going which way ?" The woman in the carriage now leaned forward and took part in the conversation.

She was Grandma Thorndyke, of whom I have formerly made mention.

Her hair was white, even then.

I think she was a little older than her husband; but if so she never admitted it.