The leaf-sheath is loose, glabrous, striate, margins not ciliate.
The third glume is hyaline, linear-oblong, 2-nerved ciliate.
The third glume is hyaline, narrow-oblong, ciliate and obtuse.
The fourth glume also is small, hyaline, ciliate, and 1-nerved.
The first glume is oblong-lanceolate, acute, 5- to 7-nerved and ciliate.
Glumes only ciliate, on ribs and keel, except ...