. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 1, 2. S. 4. 6. 8. 7. J2 '^'-^ '5^ " PLATE II. TYPES OF TWIGS AND PITH Tulip Tree (alternate branching). Catalpa (whorled branching). White Ash (opposite branching). Gray Birch (slender and warty). Staghorn Sumach (hairy). Elderberry (lenticels prominent). Black Cherry (lenticels transversely elon- Chestnut'(lenticels small and numerous). rr Drawings are about one-half natural size. 0. 10. 11. 12. 13. 14. 15. 10. 17. BInrk Gtim (lenticels few and iiiiousjnni- oiis). IMiKk Walnut (chambered pitli). Sumach (largo
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 1, 2. S. 4. 6. 8. 7. J2 '^'-^ '5^ " PLATE II. TYPES OF TWIGS AND PITH Tulip Tree (alternate branching). Catalpa (whorled branching). White Ash (opposite branching). Gray Birch (slender and warty). Staghorn Sumach (hairy). Elderberry (lenticels prominent). Black Cherry (lenticels transversely elon- Chestnut'(lenticels small and numerous). rr Drawings are about one-half natural size. 0. 10. 11. 12. 13. 14. 15. 10. 17. BInrk Gtim (lenticels few and iiiiousjnni- oiis). IMiKk Walnut (chambered pitli). Sumach (largo pitli). SassafrBH (incfllum-»Ir-ed pith). Oalc (star-Hhapod pith). Black Alder (triangular pith). Common Ix)CU8t (angular pith). Kim (circular pith). Birch (semicircular or Irregular pith). INTENTIONAL SECOND EXPOSURE. 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 resemble the original Pennsylvania. Dept. of Forestry. Harrisburg, Pa. : The Department : WM. Stanley Ray, state printer of Pennsylvania
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforests, bookyear1901
