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FIR
Plate I.
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| SILVER FIR (Abies pectinata). A, Cone and foliage. |
SPRUCE FIR (Picea excelsa). B, Cone and foliage. |
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| HEMLOCK SPRUCE (Tsuga canadensis) C, Cone, seed and foliage. |
DOUGLAS FIR (Pseudo-tsuga Douglasii). D, Cone, seed and foliage. |
| Photos by Henry Irving. | |
