This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The following- plants should have been included in the text of Vol. VI under the divisions in which they are here placed. Some have but recently been found to be British; a few have only lately been raised to specific rank from the status of varieties (not included in this work).