2 adjectives to describe boll

On the walls were various branches of different species of vegetation; among others a tangle of twigs of the cotton plant, from which depended numerous bolls.

Generations of Langdons had taken deepest pride in developing the hundreds of acres of cotton land, whose thousands of four-foot rows planted each April spread open the silvery lined bolls in July and August, and the ripened cotton fiber, pure white beneath the sun, gave from a distance the picture of an expanse of driven snow.

2 adjectives to describe  boll