The veil is membranous and forms a persistent ring on the stem.
This will leave a membranous bag that can be used in place of the parchment bag.
Gymnoptera: species with membranous wings not covered with scales.
Membranous or eous: composed of membrane or skin-like tissue.
Pre-halter: a membranous scale in front of the true haltere of a fly.
The second glume is membranous, ...