File:Bulletin (Pennsylvania Department of Forestry), no. 11 (1901) (20314912470).jpg

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Title: Bulletin (Pennsylvania Department of Forestry), no. 11
Identifier: bulletinpennsylv11pennx (find matches)
Year: 1901 (1900s)
Authors: Pennsylvania. Dept. of Forestry
Subjects: Forests and forestry
Publisher: Harrisburg, Pa. : The Department : WM. Stanley Ray, state printer of Pennsylvania
Contributing Library: Penn State University
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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204 SYCAMORE MAPLE Acer Pseudo-platanus, Linnaeus The Sycamore Maple Is a European species. It is native to central Europe where It attains a height of 120 ft. ami d«>velop8 a large spreading heart. The trunk is sometimes furrowed and the bark flakes off in thin scales. This tree is considered the most attractive of the Maples for ornamental planting. It is rather intolerant of soil conditions and consequently not planted so extensively as the Norway Maple. The Sycamore Maple is readily distinguished by its firm, 3-6 lobed leaves with sharply serrate margins, acute-based sinuses, and pubescent lower leaf-surfaces. In winter the large, obtuse, green buds are characteristic together with the leaf-scars which do not quite encircle the stem. The lentioels are also more numerous and the lateral buds stand out from the twig more than on the Norway Maple. The fruit keys are also smaller and the wings less divergent than those of the Norway Maple. NORWAY MAPLE Acer platanoides, Linnaeus The Norway Maple is a European species extending from Norway to Switzerland. It attains a height of 100 ft. and develops a round head. The trunk of the tree is closely fissured but not pcaly. This tree is one our most attactive ornamental trees and is planted extensively along the streets of cities, and in lawns and parks. It is especially adapted for city planting because it is more tolerant of unfavorable city conditions than our native Maples. It is also rather free from the attacks of insects and fungi, and retains the leaves longer in fall than our native species. The wood is of no commercial importance in America, but is used for minor purposes in Europe. The Norway Maple can readily be distinguished in summer by its large leaves which resemble those of our Sugar Maple, but are deeper in color and firmer in texture. The large-toothed and almost entire-margined leaves are readily recognized from the smaller 3-5 lobed leaves of th«' Sycanwre Mlaple wltli sharply serrate leaf-margins. A certain test for identifying the Norway Maple is the presence of milky sap in the leaf-petiole which readily exudes upon twisting, lu winter tlie Norway Maple can be recognized by the large, obtuse, glossy, red buds which inay be more or less olive-green at the base and by the lateral closely appressed buds. The leaf-scars which encircle the stem are also characteristic. The very divergent wings of the large maple keys and the closely fissured, but not scaly bark will also aid in recognizing it.
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  • bookid:bulletinpennsylv11pennx
  • bookyear:1901
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Pennsylvania_Dept_of_Forestry
  • booksubject:Forests_and_forestry
  • bookpublisher:Harrisburg_Pa_The_Department_WM_Stanley_Ray_state_printer_of_Pennsylvania
  • bookcontributor:Penn_State_University
  • booksponsor:Lyrasis_Members_and_Sloan_Foundation
  • bookleafnumber:318
  • bookcollection:penn_state_univ
  • bookcollection:microfilm
  • bookcollection:americana
  • bookcollection:additional_collections
  • BHL Collection
Flickr posted date
InfoField
12 August 2015



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current17:09, 24 September 2015Thumbnail for version as of 17:09, 24 September 20152,046 × 1,924 (833 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': Bulletin (Pennsylvania Department of Forestry), no. 11<br> '''Identifier''': bulletinpennsylv11pennx ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=d...

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