Two species from the yellow-eyed grass family: left, Xyris caroliniana; right, Xyris flexuosa.

Yellow-Eyed Grass

Two species from the yellow-eyed grass family: left, Xyris caroliniana; right, Xyris flexuosa.

Of the yellow-eyed grass family (Xyris), from left to right: bog (X. difformis), Richard's (X. elata), Small's (X. Smalliana), fringed (X. fimbriata), Northern (X. montana), and Xyris arenicola.

Yellow-Eyed Grass

Of the yellow-eyed grass family (Xyris), from left to right: bog (X. difformis), Richard's (X. elata),…

"Xyris operculata; 1. a flower seen in front; 2. a style, stigmas and stamens." -Lindley, 1853

Yellow-Eyed Grass

"Xyris operculata; 1. a flower seen in front; 2. a style, stigmas and stamens." -Lindley, 1853