1	"Spikelets subsessile or pedicellate, rather distant along the panicle branches; panicles open"	2
1	"Spikelets subsessile and closely overlapping; panicle branches subdigitate"	3
2	"Lemmas glabrous or shortly ciliate on the margins"	"Coelachyrum piercei"
2	"Lemmas densely asperulous all over"	"Coelachyrum longiglume"
3	"Plants tufted annual, without stolons; lemma hairs short and inconspicuous"	"Coelachyrum brevifolium"
3	"Plants tufted perennials with woody stolons; lemma hairs long and shaggy"	"Eleusine poiflora"