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Key to the Trees of Logan Canyon

 

Are the needles fairly sharp pointed, easy to roll between two fingers (four-sided or diamond-shaped in cross section), and held on the twig on peg-like projections that persist after the needle falls? Clue: the cones are papery. These are spruces.

Four-sided needle cross section
Are the needles not sharp pointed, not easy to roll between two fingers (flat in cross section), and not held on the twig on peg-like projections?
 

Flat needle in cross section

 

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