File:Bulletins on forest pathology - from Bulletin U.S.D.A., Washington, D.C., 1913-1925 (1913) (20505415955).jpg

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Title: (Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925)
Identifier: bulletinsonfores00unit (find matches)
Year: 1913 (1910s)
Authors: United States. Dept. of Agriculture
Subjects: Trees; Plant diseases
Publisher: (Washington : U. S. Dept. of Agriculture)
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
Bui. 1131, U. S. Dept. of Agriculture. Plate VI.
Text Appearing After Image:
Frost Injury to Tsuga mertensiana, Chamaecyparis lawsoniana, and Sequoia washingtoniana. A .—Transverse section through frost ring in Tsuga mertensiana, showing the outer face of a pre- ceding growth ring at bottom and a large number of well-lignifled tracheids developed before the freezing; also a radial cleft (at upper left-hand corner) filled up with large-celled parenchyma. (X135.) B— Transverse section through a frost ring occupying a median position in a growtn ring of Chamaecyparis lawsoniana, showing an unusually broad zone of dark-brown parenchyma and radial clefts also filled up with large-celled parenchyma. (X135.) C—Frost ring occurring at the outer limit of a summer-wood formation in Sequoia washingtoniana, showing a series of radial clefts subsequently filled up with large-celled parenchyma. (X135.)

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Author United States. Dept. of Agriculture
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Flickr tags
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  • bookid:bulletinsonfores00unit
  • bookyear:1913
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:United_States_Dept_of_Agriculture
  • booksubject:Trees
  • booksubject:Plant_diseases
  • bookpublisher:_Washington_U_S_Dept_of_Agriculture_
  • bookcontributor:Robarts_University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:1140
  • bookcollection:robarts
  • bookcollection:toronto
  • BHL Collection
Flickr posted date
InfoField
12 August 2015


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current08:32, 13 August 2015Thumbnail for version as of 08:32, 13 August 20152,032 × 3,268 (2.44 MB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': (Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925)<br> '''Identifier''': bulletinsonfores00unit ([https://commons.wikimedia.org/w/index.php?ti...