1	"Adult leaves spirally arranged"	Athrotaxis
1	"Adult leaves not spirally arranged"	2
2	"Adult leaves decussate"	3
2	"Adult leaves in whorls of 3, rarely 4"	4
3	"Female cones more than 10 mm diam., comprising more than 4 fertile scales"	"Cupressus {Cupressus macrocarpa}"
3	"Female cones less than 5 mm diam., comprising 2 pairs of fertile scales"	"Diselma {Diselma archeri}"
4	"Female cones subtended by numerous bracts which progressively increase in size distally"	Actinostrobus
4	"Bracts not present beneath female cones"	Callitris