File:EB1911 Gymnosperms - four diagrams.jpg

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Description

English: Diagrammatic treatment of four gymnosperm components: A, double needle of Sciadopitys (a, a, leaves; b, shoot; Br, bract); B, seminiferous scale as leaf of axillary shoot (b, shoot; Sc, seminiferous scale; Br, bract); C, seminiferous scale as fused pair of leaves (l¹, l², l³, first, second and third leaves; b, shoot; Br, bract); D, cone-scale of Araucaria (n, nucellus; i, integument; x, xylem).

Date

published 1911

Source

“Gymnosperms,” Encyclopædia Britannica (11th ed.), v. 12, 1911, fig. 15, p. 760.

Author

C and D 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	15:34, 28 August 2017		749 × 397 (66 KB)	Bob Burkhardt	{{Information \|Description ={{en\|1=Diagrammatic treatment of four gymnosperm components: A, double needle of ''Sciadopitys'' (''a'', ''a'', leaves; ''b'', shoot; ''Br'', bract); B, seminiferous scale as leaf of axillary shoot (''b'', shoot; ''Sc'',...

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