Bouteloua curtipendula

A species I know from New Mexico, where it is one of the most abundant grasses. It also occurs in Indiana, though I haven't seen it there.

Inflorescences at Aguirre Springs on the east side of the Organ Mts., NM, 10/1/05.

Inflorescences along NM 27 west of Hatch, 9/18/05.

Short, pendant branches of an inflorescence on the Pine Tree Trail at Aguirre Spring, 9/17/05.