File:EB1911 Gymnosperms - Macrozamia stem.jpg

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Description

English: Drawing of Macrozamia (diagrammatic transverse section of part of stem): pd, periderm in leaf bases; lt, leaf traces in cortex; ph, phloem; x, xylem; m, medullary bundles; c, cortical bundles.

Date

published 1911

Source

“Gymnosperms,” Encyclopædia Britannica (11th ed.), v. 12, 1911, fig. 9, p. 757.

Author

After Worsdell.

Permission
(Reusing this file)

This image comes from the 13^th 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/Time	Thumbnail	Dimensions	User	Comment
current	16:00, 23 August 2017		368 × 546 (52 KB)	Bob Burkhardt	{{Information \|Description ={{en\|1=Drawing of ''Macrozamia'' (diagrammatic transverse section of part of stem): ''pd'', periderm in leaf bases; ''lt'', leaf traces in cortex; ''ph'', phloem; ''x'', xylem; ''m'', medullary bundles; ''c'', cortical bu...

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