1	"Spikelets paired in rames the pairs usually of 1 sessile and 1 pedicelltate spikelet, sometimes the pedicellate spikelet absent but the pedicel present, sometimes both spikelets pedicellate; disarticulation usually in the rames"	Andropogoneae
1	"Spikelets solitary or in pairs or triads, sessile to pedicellate; disarticulation below the glumes of sessile spikelets, above the glumes of pedicellate spikelets"	2
2	"Fertile lemmas unawned, rarely mucronate their bodies indurate, coriaceous, or cartilaginous"	Paniceae
2	"Fertile lemmas 1-3-awned, their bodies membranous to coriaceous, not indurate"	Tristachyideae