File:EB1911 Fruit - young anatropal seed of Nymphaea alba.jpg

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EB1911_Fruit_-_young_anatropal_seed_of_Nymphaea_alba.jpg(217 × 316 pixels, file size: 20 KB, MIME type: image/jpeg)

Description
English: Drawing of a young anatropal seed of the white water-lily (Nymphaea alba), cut vertically. It is attached to the placenta by the funicle f, cellular prolongations from which form an aril a a. The vessels of the cord are prolonged to the base of the nucellus n by means of the raphe r. The base of the nucellus is indicated by the chalaza ch, while the apex is at the micropyle m. The covering of the seed is marked i. n is the nucellus or perisperm, enclosing the embryo-sac es, in which the endosperm is formed. The embryo e, with its suspensor, is contained in the sac, the radicle pointing to the micropyle m. Some labels have been clarified, and a missing label supplied.
Date published 1911
Source “Fruit,” Encyclopædia Britannica (11th ed.), v. 11, 1911, fig. 38, p. 259.
Author Unknown authorUnknown author
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.

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Date/TimeThumbnailDimensionsUserComment
current16:12, 9 August 2017Thumbnail for version as of 16:12, 9 August 2017217 × 316 (20 KB)Bob Burkhardt{{Information |Description ={{en|1=Drawing of a young anatropal seed of the white water-lily (''Nymphaea alba''), cut vertically. It is attached to the placenta by the funicle ''f'', cellular prolongations from which form an aril ''a a''. The vessel...