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/ 373 Woodcraft Manual for Oiris 6 td 8 to the inch, the c ^nes half an inch long or less. Man- itoba to Nova Scotia, and Penn^ivania; south on mountains to North Carolina. Qnakfaif AMf, Qiiiv«r Leaf, Atj^ Poplar, <Mr Popgh (Poptiim s muloides) A small iorest tree, but occasionally loo feet high. Readily known by its smooth bark, of a light green of whitish color. The wood is pale, soft , close-grained, weak , perishable, and light. A cubic foot weighs 25 lbs. Good only for paper pulp, but bums well, when sea- soned. When green it is so heavy and soggy that it lasts for days as a fire check or back-log. Leaves to 2 inches long. Can* ada and Northern States. Black Willow {JSdlix nigra) The common Willow of stream-banks, usually 20 to 40 feet high, sometimes ico. Bark nearly black. Its long narrow,