乳茸

By surface analysis, 乳(ちち) (chichi, “milk”) + 茸(たけ) (take, “mushroom”).

乳(ちち)茸(たけ) or 乳茸(チチタケ) • (chichitake) 

1. weeping milk cap (Lactifluus volemus, formerly Lactarius volemus)
2. (by extension) Any milk-cap of the genera Lactarius and Lactifluus.

• As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary), as チチタケ (chichitake).