What does the word crummy mean in the text

Read the passage below and answer the question. somehow, it was hotter then: a black dog suffered on a summer’s day; bony mules hitched to hoover carts flicked flies in the sweltering shade of the live oaks on the square. men’s stiff collars wilted by nine in the morning. in the excerpt above, the phrase "stiff collars wilted by nine in the morning" suggests that despite the heat, men still dressed up the men in the town were vain men's clothing appeared its best on hot days the men were not accustomed to wearing nice clothes

Touch ethic is determined by a values b. culture c. education d. employment

In the poem i felt a funeral, in my brain what rhyme scheme does the poet use and how does it contribute to the poem?