1Adult leaves normally bent at least slightly forward at the apex, tapering from at least the centre of the leaf; pollen cones at least 17 mm long.
1'Adult leaves often not bent forward at the apex, the sides parallel for most of their length; pollen cones no more than 13 mm long.
2Adult leaves linear-lanceolate, sun leaves at least 20 mm long, not glaucous; pollen cone 2.5-3.5 mm diam
2'Adult leaves mostly lanceolate, sun leaves 13-20 mm long, glaucous; pollen cone 1.5-3 mm diam.
3Adult leaves weakly keeled if at all, 2-3.5 mm wide, 12-20 mm long
3'Adult leaves distinctly keeled on their broader surfaces, 1-2.5 mm wide, 18-35 mm long