from The Century Dictionary and Cyclopedia

  • n. In botany, same as resin-passage.


Sorry, no etymologies found.


  • There are, moreover, new forms of leaf-hypoderm and a new position of the resin-duct.

    The Genus Pinus

  • In tangential section the medullary rays appear in two forms, linear, without a resin-duct, and fusiform, with a central resin-duct.

    The Genus Pinus

  • All the species are of the Western Hemisphere, and among them may be found the biform hypoderm of the leaf, the internal resin-duct, and the total absence of external resin-ducts, characters common in

    The Genus Pinus


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