File:EB1911 Flower - section of Pinus austriaca ovule.jpg

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EB1911_Flower_-_section_of_Pinus_austriaca_ovule.jpg(125 × 276 pixels, file size: 12 KB, MIME type: image/jpeg)

Description
English: Drawing of a vertical section of the ovule of the Austrian Pine Pinus nigra (syn. Pinus austriaca), showing the nucellus a, consisting of delicate cellular tissue containing deep in its substance an embryo-sac b. The micropyle m is very wide.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 10, 1911, “Flower,” fig. 109, p. 572.
Author Unknown authorUnknown author
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(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.

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current15:21, 17 July 2017Thumbnail for version as of 15:21, 17 July 2017125 × 276 (12 KB)Bob Burkhardt{{Information |Description ={{en|1=Drawing of a vertical section of the ovule of the Austrian Pine (''Pinus austriaca''), showing the nucellus ''a'', consisting of delicate cellular tissue containing deep in its substance an embryo-sac ''b''. The mi...