tawny milkcap mushroom; Lactarius volemus
A type of edible mushroom known for its milky latex; the Japanese name literally means 'milk mushroom'.
Tawny milkcap mushrooms can be found in broadleaf forests from summer to autumn.
In this region, they put tawny milkcap mushrooms in miso soup.
From 乳 (ちち, 'milk') + 茸 (たけ, 'mushroom'), referring to the milky latex it exudes when cut.