Cecidomyia sp. [the plate Felt refers to seems to more closely resemble this gall]
Fusiform, thin-walled, striate, pale green vein swelling, length 1/5 inch, diameter 1/8 inch, on red oak, gall midge.
”- EP Felt: (1940) Plant Galls and Gall Makers©
Reference: https://babel.hathitrust.org/cgi/pt?id=wu.89041294323&view=1up&seq=159&skin=2021&q1=cincticornia