This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
蕜 is a rare character. It combines 艹 (grass) with 悲 (sadness), but the exact historical development and original meaning are uncertain.
The top is grass 艹, and the bottom is sadness 悲. Imagine grass that looks sad or withered, but the true meaning is unclear.
For ヒ, picture a sad blade of grass sighing 'he' (ヒ) as it wilts.