Bulbostylis

1. Spikelets umbellate on long wiry pedicels...B. ciliatifolia

1. Spikelets sessile in a tight cluster...2

2. Achenes 0.5-0.6 mm long; spikelets reddish; achene not rugose; longest bracts usually (not always) < inflorescence...B. barbata

2. Achenes > 1 mm long; spikelets greenish or tan; achenes rugose; longest bracts > inflorescence...3

3. Bracts serrate...B. stenophylla

3. Bracts pectinate-lobed...B. warei