. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE XXIII. HEMLOCK 1 Branch with needles and staminate flowers, x J 2 Branch with needles and pistillate flowers, x J. Branch with needles and mature cones, x J. A cone scale with two winged seeds, natural A winged seed, natural size. ^,. A seed, enlarged. 7. Leafless branch with buds, enlarged. 8. A seedling, natural size. 'A. 4. '). (i size. 89 HEMLOCK Tsuga canadensis, (Linnaeus) Carriere naU^o%^r!"^f°''""r;*"r ^^'^ ^"^P^*^^- « «^^'«« *° the world. 4 of which «e Jnnln I fl ^;&q
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. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE XXIII. HEMLOCK 1 Branch with needles and staminate flowers, x J 2 Branch with needles and pistillate flowers, x J. Branch with needles and mature cones, x J. A cone scale with two winged seeds, natural A winged seed, natural size. ^, . A seed, enlarged. 7. Leafless branch with buds, enlarged. 8. A seedling, natural size. 'A. 4. '). (i size. 89 HEMLOCK Tsuga canadensis, (Linnaeus) Carriere naU^o%^r!"^f°''""r;*"r ^^'^ ^"^P^*^^- « «^^'«« *° the world. 4 of which «e Jnnln I fl ^;"«'*«^/°d 1 '« Pennsylvania. Of the 4 species native to Norih AmerUa 2 a^ found m the eastern and 2 In the western part. The 2 eastern gpeclea are th^ CmoM^* LT ock (TsugH caroliniana Engelm.) found only , n the mountains ^Virginia to^:i^.^ the common HenUock described below. The Hemlocks are trees of the northeL Ssoh^ found In North America and A»ia. but absent In Europe. The eastern LmSflTln^rt^^^^ are slow growers and rather difflcmt to transplant. A weU-known student of fomiSy^ «"' â¢HemlcK^k trees are like the Indians; they will not stand civilization.'' R^eTt ex«S, ^t. show that a number of foresters have been transplanting Hemlock successfully *^«»«t« FOEM-.A large tree usually attaining a height of 00-80 ft. with a diameter of 2-3 ft. b«t and Wgh with limbs extending almost to the ground. In dense stands It has a bole clet^ froi^ lateral branches for a considerable distance from the ground and with little taper BARK--GrayIsh-brown to reddish-brown, rich in tannin, becoming 4/5 of an Inch thick «â r L^°V *"t 'â¢Â«"«^J«°«d by long Assures separating rather broad ridges which are covered with close scales. Inner bark Is cinnamon-red. See Pig. 74. TWIOS-nSlender, rough on account of deCurrent projections of bark upon which the leaves rert.^^at first somewhat hairy and yellowish-brown,