File:The Oak (Marshall Ward) Fig 16.jpg
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English: Fig. 16.— The various chief elements of the wood of the oak, isolated by maceration, and highly magnified. f, a fiber, distinguished by its thick walls, simple slit-like pits, and no contents; w.p, part of a row of wood-parenchyma cells, with simple pits, and containing starch in winter; tr., a tracheid, distinguished from the fiber especially by its bordered pits; p.v, part of a rather large pitted vessel, made up of communicating segments, each of which corresponds to a tracheid, and has bordered pits on its walls; sp. part of a spiral vessel. |
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| Date | ||||
| Source | The Oak: A Popular Introduction to Forest-Botany | |||
| Author | H. Marshall Ward | |||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:17, 2 October 2014 | | 1,450 × 2,000 (254 KB) | Mithril (talk | contribs) | whitenning, better contrast |
| 22:08, 3 August 2012 |  | 1,456 × 1,852 (203 KB) | Keith Edkins (talk | contribs) | == {{int:filedesc}} == {{Information |Description={{en|1=Fig. 16.— The various chief elements of the wood of the oak, isolated by maceration, and highly magnified. ''f'', a fiber, distinguished by its thick walls, simple slit-like pits, and no conten... |
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