The steam…
hissed = appeals to the senses.
No one left…
and no one came = repetition to emphasise the isolation
Willows, grass…
meadowsweet and haycocks dry = sibilance to describe the nature.
Yes…
I remember Adlestrop = conversational to show that he is in a dreamlike state.
Farther and farther…
all the birds of Oxfordshire and Gloucestershire.