19 waga kokoro, is here an exclamation.
21 momiji-ba is to be read with chiri- of chirisugi (22), and this with the last line.
For momijibano, tamanowono see List m. k.
193
Tamahokono 1
michi yuku hito ha
ashihikino
yama yuki nu yuki
tada watari 5
kaha yuki-watari