_Iris Family_
Perennial herbs with narrow 2-ranked, grass-like leaves and mostly
clustered, perfect flowers, subtended by bracts; perianth of 6
segments, rolled together in the bud, stamens 3, inserted on the
perianth opposite its outer series of lobes; filaments slender, distant
or united; anthers facing upward.
[Sidenote: =Sisyrinchium septentrionale= Bicknell. _Blue-eyed Grass._]
Growing in small tufts, 4—10 inches high, pale, glaucous. Leaves stiff
and very slender about half the length of the taller scapes, equalling
the shorter ones. Spathe small purplish or green, often partly double
and enclosing 3 or 4 small bright violet-blue flowers, less than half
an inch broad, on erect pedicels.
Throughout the Rockies in open moist ground at the lower elevations;
flowering in June.