Celtis sinensis, the Chinese hackberry tree

an edible mushroom, the velvet shank or enokitake: Flammulina velutipes

樺の木: birch (tree)

榎茸: enokitake

remaining / leftover / surviving

其, 夫:

十: ten / 衣: clothing / 背: back / 麻: hemp / 磯: rocky beach / 阻: / 俎: / 祖: ancestor / 疽: / 租: / 素: / 粗: / 疏: / 疎: / 酥, 蘇:

楚:

The hiragana syllable そ (so). Its equivalent in katakana is ソ (so). It is the fifteenth syllable in the gojūon order; its position is さ行お段 (sa-gyō o-dan, “row sa, section o”).

粗: / 疎: