File:EB1911 Palaeobotany - Stauropteris oldhamia - sporangia.jpg

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Description

English: Drawing of Stauropteris oldhamia showing three sporangia borne on branchlets of the rachis: In A the stomium (st) or place of dehiscence is shown; B is cut tangentially; In C, p is the palisade tissue of the rachis.

Date

published 1911

Source

“Palaeobotany,” Encyclopædia Britannica (11th ed.), v. 20, 1911, p. 533, fig. 17.

Author

From a drawing by Mrs. D. H. Scott. Scott, Studies.

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	17:43, 14 September 2017		716 × 527 (144 KB)	Bob Burkhardt	{{Information \|Description ={{en\|1=Drawing of ''Stauropteris oldhamia'' showing three sporangia borne on branchlets of the rachis: In A the stomium (''st'') or place of dehiscence is shown; B is cut tangentially; In C, ''p'' is the palisade tissue o...

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