. Bulletin (Pennsylvania Department of Forests and Waters), no. 33-35. Forests and forestry. 38 \i]. Figure 9 Black Walnut. 1. Leaf. 2. Twig cut to show chambered central pith Pignut Hickoby. 3. Leaf. 4. Twig Big Shellbark Hickory. '>. Tv\ig 39 63. Black Walnnt,—Julians nij^ra, L. In general like butternut, but a better formed and larger tree; fruit globose and less deeply sculptured, enclosed in nearly smooth husk. Terminal leaflet usually absent or atrophied. Pith gray to light broivn. Bark gray-brown and narrow ridged. (Fig. 9) 64. *English Walnut,—Juglans reg^ia, L. Like buttennit, but
. Bulletin (Pennsylvania Department of Forests and Waters), no. 33-35. Forests and forestry. 38 \i]. Figure 9 Black Walnut. 1. Leaf. 2. Twig cut to show chambered central pith Pignut Hickoby. 3. Leaf. 4. Twig Big Shellbark Hickory. '>. Tv\ig 39 63. Black Walnnt,—Julians nij^ra, L. In general like butternut, but a better formed and larger tree; fruit globose and less deeply sculptured, enclosed in nearly smooth husk. Terminal leaflet usually absent or atrophied. Pith gray to light broivn. Bark gray-brown and narrow ridged. (Fig. 9) 64. *English Walnut,—Juglans reg^ia, L. Like buttennit, but buds blunter and not flattened; twigs smoother. Leaves usually smooth-glossy above, with terminal leaflets larger than laterals. Not quite hardy in Pennsylvania but variable in this feat- ure: also in fruit, which how^ever is usually only obscurely sculptured. Native to Europe. HICKORIES,—GARY A, Nutt. Like walnuts, but flower-stalks branch: pith is contin- uous; nuts have Jfvalved^ more or less dehiscent husks. Wood tough and strong. 65. Pignut Hickory,—Carya glabra, (]VIiller) Spach. Leaflets average 5, acute, smooth. Twigs usually smooth, medium size. Buds 1/4"-y2" long, ovate, scaly. Bark usually tight; breaking into narrow flat-topiuMl ridges, which sometimes scale off in narrow strips. Fruit pear-shai)ed. with thin ^-dehiscent husk: nuts vjiri- able in size and quality, sweet but with bitter after taste. Tree of poor to medium soils. (Fig. 0) 66. Mockernut Hickory,—Carya alba, (L.) K. Koch. Leaflets average 7. Petioles downy. Twigs stout, sparse; more or less down}/. Buds broad-ovate, large, outer scales shed early. Bark tight and ridged. Fruit large, sub-globose; thick dehiscent husk. Nuts thick-shelled; small sweet kernels. Tree of medium quality Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resembl
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforests, bookyear1923
