He believed he had one very rare specimen.

If Mr.Errol would sit down in the drawing-room he would bring it for his inspection.
And so it came to pass that when Bertie entered he found his brother deep in a botanical discussion with the enthusiastic rector while Dot had disappeared.

Bertie only paused to ascertain this fact before he turned round and went in quest of her.
He knew his way about the lower regions of the Rectory, and he began a systematic search forthwith.

She was not, however, to be very readily found.

He glanced into all the downstairs rooms without success.