"Rooster" wrote
snip
I have now managed to plant some samples in my garden which can be
seen he-
http://i137.photobucket.com/albums/q...k/DSC01722.jpg

http://i137.photobucket.com/albums/q...DSC01721-1.jpg

Does anybody now know what they are? They are just beginning to
flower.

Could be Iberis sempervirens - that's a small sub-shrubby, perennial
type of candytuft, with masses of white flowers in spring. I find it
responds well to a good trim after it's finished, which keeps it neat.
Check Google images for pictures to compare with your plants.

--
Sue