“Why mulatto tree?” asked Jule.

“Because it is black before it begins to shed its bark.”

“Shed its bark?” repeated Clay.

“It sheds its bark every year, like a snake,” was Frank’s amazing reply.

Clay ripped off one of the long slabs, disclosing a pretty green surface underneath.

“That is the new bark,” Frank explained.

Clay dropped the slab of bark and turned it over with his foot.

“Heavy?” asked Alex.

“As a stone.”

“It makes fine wood, and also fine shingles for a hut,” Frank went on. “We’ll use some of it to cook supper with.”