Time flew by as she sat sewing and thinking. Towards noon Guillaume, who
was still at work, suddenly remarked to her: "As Marie and Pierre haven't
come back, we had better let the lunch wait a little while. Besides, I
should like to finish what I'm about."

Another quarter of an hour then elapsed. Finally, the three young men
rose from their work, and went to wash their hands at a tap in the
garden.

"Marie is very late," now remarked Mere-Grand. "We must hope that nothing
has happened to her."

"Oh! she rides so well," replied Guillaume. "I'm more anxious on account
of Pierre."

At this the old lady again fixed her eyes on him, and said: "But Marie
will have guided Pierre; they already ride very well together."

"No doubt; still I should be better pleased if they were back home."

Then all at once, fancying that he heard the ring of a bicycle bell, he
called out: "There they are!" And forgetting everything else in his
satisfaction, he quitted his furnace and hastened into the garden in
order to meet them.

Mere-Grand, left to herself, quietly continued sewing, without a thought
that the manufacture of Guillaume's powder was drawing to an end in an
apparatus near her. A couple of minutes later, however, when Guillaume
came back, saying that he had made a mistake, his eyes suddenly rested on