White Rock Rose - Helianthemum apenninum
Double flowered White Rock Rose
Honewort - Trinia glauca
Small Restharrow - Ononis reclinata
Small Hare's-ear - Bupleurum baldense
It's very small and if you can't picture just how small from these photos...
...Here's one with a polo mint for scale. See it's tiny!
Dwarf Mouse-ear - Cerastium pumilum
Scarlet Pimpernel - Anagallis arvensis
Aberrant Heath Fritillary - Melitaea athalia ab. corythalia
Heath Fritillary - Melitaea athalia
Small Pearl-bordered Fritillary - Boloria selene
Very fresh with a still crumpled wing.
Bastard Balm - Melittis melissophyllum