Charline, I don't do nights. By evening I'm too tired to do anything. That's why I don't do astronomy anymore. Besides, I no longer have access to a telescope.
Dr. John, quite right on "D". It is St. John's Wort, as far as I know. However, I believe that "A" is Dwarf beach cinquefoil, photographed as it was on a beach as evidenced by the sand, n'est pas? Did the boss help on these?