"Certainly I will do my best," said Mr. Holmes. And then without a blush: "What is the problem, may I ask?"

"We have found a piece of——" began John.

"Don't tell him," shrieked Margery. "Let him see for himself."

They fetched the weed and handed it reverently to the Curate.

Mr. Holmes looked at it carefully. He breathed on it and moistened it with his finger. At last he looked up.

"This is a very rare specimen indeed," he said; "I never remember to have seen one quite like it. It is in fact a hybrid." He stopped and beamed at us.

"What's it called?" shrieked Margery and John together.

Mr. Holmes chose his words carefully.

"It is called," he said, "Hairy Catkin."

There was a pause while Margery and John gazed at each other.