1	"Spikelets 1.5-2.8 mm long; panicles 7-8 times longer than wide, usually completely exserted from the uppermost sheath at maturity"	"Crypsis alopecuroides"
1	"Spikelets 2.5-4 mm long; panicles 1-5 times longer than wide, the bases usually enclosed in the uppermost sheath at maturity"	2
2	"Collars glabrous; glumes unequal, the margins glabrous; anthers 0.7-1.1 mm long"	"Crypsis schoenoides"
2	"Collars pilose; glumes subequal, at least the lower glumes pilose on the margin; anthers 0.5-0.9 mm long"	"Crypsis vaginiflora"