On a Whim, we grabbed the Bull by the Horns and sought Help with the Identification.
We submitted some Pictures to Geoffrey Kitchener, Botanical Society of Britain & Ireland, Recorder for Vice-Counties 15 (East Kent) and 16 (West Kent), who suggested it might be Spanish Stonecrop (Sedum hispanicum). He in turn sought the assistance of Ray Stephenson of the Sedum Society and the Identification was Super-Kindly Confirmed. A Million thanks to them Both.
This might be the First Record of this Plant for Vice-County 16.
So: really, Wow! And Yippee.
Some Pictures [i] taken during the past few Days viz.
A Footnote: as mentioned above, it is growing amongst the Moss and Dirt beside the Footpath, somewhat Inhospitable Ground viz.