This is a dichotomous key. At each step, read both choices before making a decision about which to follow. Woody plants with needles or scales for leaves. Most are evergreen, with a few deciduous exceptions. They are pollinized by pollen landing directly on the ovules.
Tracheids conduct water cells in the plant.
Twigs are round. Seeds are surrounded by a fleshy, round, bluish covering. Scales are arranged in pairs. Twigs are flattened and the scale-like leaves are in sets of 2 or 4. Cones are dry, not bluish, the cone scales separating as the cones mature.