(Cynodon dactylon): Grass family; perennial; first leaves with somewhat
rough surface; ligule surrounded by ring of hairs with tuft of long hairs on
either side; auricles absent; stem flat, wiry, and without hairs.
(Cyperus esculentus): Sedge family; perennial; grasslike; light-green
blades, flat, slender; leaf tip long and drawn out; nutlets globe shaped, smooth,
and almond flavored.