. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 0.. 1. 2. fi'. 4. '). 0. 7. 8. 9. PLATE XIII. PITCH PINE with nCLKllos and terminal clustor of V)U(ls, x h- and ang-ular cross section, cnlarncd. lirandi ,, , cluster of three needles. h- Tin of a needle witii serrate nmrjiin Hranch with needles and a closed cone, x ,. An open cone, x *. T nwpi- side of a eone seale, x 5- , i. ^ i Upper side of a cone seale with two winded seeds, x h- A winged seed, natural size. A seed, natural size. PITCH PINE Pinus rigida, Miller FORM—^Usually attains a height of 40-50 ft. a

. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 0.. 1. 2. fi'. 4. '). 0. 7. 8. 9. PLATE XIII. PITCH PINE with nCLKllos and terminal clustor of V)U(ls, x h- and ang-ular cross section, cnlarncd. lirandi ,, ,  cluster of three needles.  h- Tin of a needle witii serrate nmrjiin Hranch with needles and a closed cone, x ,. An open cone, x *. T nwpi- side of a eone seale, x 5- , i. ^ i Upper side of a cone seale with two winded seeds, x h- A winged seed, natural size. A seed, natural size. PITCH PINE Pinus rigida, Miller FORM—^Usually attains a height of 40-50 ft. a Stock Photo
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. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 0.. 1. 2. fi'. 4. '). 0. 7. 8. 9. PLATE XIII. PITCH PINE with nCLKllos and terminal clustor of V)U(ls, x h- and ang-ular cross section, cnlarncd. lirandi , , , cluster of three needles. h- Tin of a needle witii serrate nmrjiin Hranch with needles and a closed cone, x , . An open cone, x *. T nwpi- side of a eone seale, x 5- , i. ^ i Upper side of a cone seale with two winded seeds, x h- A winged seed, natural size. A seed, natural size. PITCH PINE Pinus rigida, Miller FORM—^Usually attains a height of 40-50 ft. and a diameter of 1-2 ft. and seldom exceeds 70- 80 ft. in height and 3i ft. in diameter. Ti-unk rather tapering except in occasional pure and closed stands. Open grown trees have an irregular wide pyramidal cro^vn. Branches numerous, irregular, gnarled, often di-ooping, and covered by small plate-like scales and numerous persistent cones. Crown is often so irregular and scraggy in appearance that it becomes picturesque. BAEK—On young branches green and smooth soon becoming yellowish, later grayish-brown and roughened by persistent bases of the bud-scales. On young trunks roughened with red- dish-brown scales, with age becoming rougher through deep furrows and flat ridges which separate into thin reddish-brown scales. The scales sometimes appear black, whence the name Nigger Pine. See Fig. 67. TWIGS—Stout, brittle, smooth, brown and very rough on account of persistent elevated and deciuTent bases ujjon which the leaf-clusters rested. BUDS—Ovate, sharp-pointed, often resinous, i-f of an inch long, covered with imbricated, loocre, brown, and shining scales. LEAVES—In sheathed clusters of 3, stout, rigid, dxill-pointed, closely and sharply toothed, at first light green, later yellowish-green, 2i-5 inches long, with stomata on all sides, and con- tain 2 flbro-vascular bundles and 3-7 resin-ducts. FLOWERS—Appear in April or May. Staminate flowers clustered at base of new

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