. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE II. TYPES OF TWIGS AND PITH I7 1. Tulip Tree (alternate branching). 2. Catulpa (whorled branching). 3. White Ash (opriosite branching). 4. Gray Birch (Blender and warty). 5. Staghorn Sumach (hairy). 6. Kiderberry (ienticeis prominent). 7. Black Cherry (lenticels transversely elon- gated). 8. Chestnut (lenticels small and onmerous). 9. Black Cum (lenticels few iiii'I imousji - our). 10. Black Walnut (chaml'crcd pttii). 11. Sumach (large pith). 12. Sassafras (inedium-stzed pitli). 13. Oak (star-shaped pith). 14
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE II. TYPES OF TWIGS AND PITH I7 1. Tulip Tree (alternate branching). 2. Catulpa (whorled branching). 3. White Ash (opriosite branching). 4. Gray Birch (Blender and warty). 5. Staghorn Sumach (hairy). 6. Kiderberry (ienticeis prominent). 7. Black Cherry (lenticels transversely elon- gated). 8. Chestnut (lenticels small and onmerous). 9. Black Cum (lenticels few iiii'I imousji - our). 10. Black Walnut (chaml'crcd pttii). 11. Sumach (large pith). 12. Sassafras (inedium-stzed pitli). 13. Oak (star-shaped pith). 14. Black Alder (triangular pitlil. 15. Common Locust (angular j-itli). 16. Blm (circular pith). 17. Birch (semicircular or Irregular pith). Drawings are about one-half natural 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
