From left to right, top to bottom:

(1) Jinshi’s hairpin

(2) Lantern Plant (plant that causes abortion)

(3) Medicine packet Maomao gave Ailan after she got sick (when the unofficial clinic in the rear palace is introduced).

(4) Moonlight mushroom (Ghost Stories)

(5) Orpiment (the mineral behind the former Emperor’s curse)

(6) Four o’Clock Flower / White Blossom (Lihua’s case with Xing)

(7) Mourning band Maomao was wearing for (fake) Consort Jing’s funeral

(8) Luminescent moth that was used to make the Moon Goddess sparkle.

(9) The ribbon Maomao bought for Xiaolan when the caravan came.

(10) Frog.