But the oak-galls show thick on some of the trees, light green, and round as a ball; they will remain on the branches after the leaves have fallen, turning brown and hard, and hanging there till the spring comes again.
"Wild Life in a Southern County"
Richard Jefferies
Then I was dependent, now it is her turn,-her turn to feign and dissemble, although I can see how it galls her pride to do so."
"Quicksands"
Adolph Streckfuss
These leaves with galls are astringent and very useful and effective in dysentery and diarrhoea, especially that of children.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera