File:EB1911 Palaeobotany - Stauropteris oldhamia - germinating spores.jpg

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EB1911_Palaeobotany_-_Stauropteris_oldhamia_-_germinating_spores.jpg ‎(623 × 492 pixels, file size: 68 KB, MIME type: image/jpeg)

Description
English: Drawing of Stauropteris oldhamia: four germinating spores from the interior of a sporangium. All four are putting out rhizoids. In C, lying horizontally, an additional cell has been cut off between rhizoid and spore.
Date published 1911
Source “Palaeobotany,” Encyclopædia Britannica (11th ed.), v. 20, 1911, p. 533, fig. 18.
Author From a drawing by Mr. L. A. Boodle. Scott, Studies.
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

File history

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current17:48, 14 September 2017Thumbnail for version as of 17:48, 14 September 2017623 × 492 (68 KB)Bob Burkhardt{{Information |Description ={{en|1=Drawing of ''Stauropteris oldhamia'': four germinating spores from the interior of a sporangium. All four are putting out rhizoids. In C, lying horizontally, an additional cell has been cut off between rhizoid and...
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