1	"Spikelets disarticulating above the glumes and between the florets; florets 6-10, the lemmas with both awns and awned teeth, these not forming a pappuslike crown"	"Cottea {Cottea pappophoroides}"
1	"Spikelets disarticulating above the glumes but not between the florets, these falling as a unit; florets 3-6, the lemmas awned but without awned teeth, the awns forming a pappuslike crown"	2
2	"Lower glumes 1-veined; lemma awns scabridulous, not plumose"	Pappophorum
2	"Lower glumes 5-7-veined; lemma awns plumose, not scabridulous"	Enneapogon