ClipArt ETC
"Inflorescence, flower, and seed, of a sedge. (Great Bulrush, Scirpus lacustris.) A, magnified flower, surrounded by perianth of hypogynous bristles; B, the seed; C, section of the seed, showing the small embryo enclosed in the base of the endosperm." -Bergen, 1896

Sedge

"Inflorescence, flower, and seed, of a sedge. (Great Bulrush, Scirpus lacustris.) A, magnified flower,…

"Uricle or addiional glumes of Carex rivularis" (Shining Flatsedge) -Lindley, 1853

Shining Flatsedge

"Uricle or addiional glumes of Carex rivularis" (Shining Flatsedge) -Lindley, 1853