File:EB1911 Pteridophyta - Lycopodium clavatum.jpg

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Description

English: Drawing of various components of Lycopodium clavatum (see legend below).

Date

published 1911

Source

Encyclopædia Britannica (11th ed.), v. 22, 1911, “Pteridophyta,” fig. 4, p. 608.

Author

From Strasburger's Lehrbuch der Botanik: signatures (two) illegible

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.

English: Legend:

A, Old prothallus.

B, Prothallus bearing young sporophyte.

G, Portion of a mature plant showing the creeping habit, the adventitious roots and the specialized erect branches bearing the strobili or cones.

H, Sporophyll bearing the single sporangium on its upper surface.

J, Spore, highly magnified.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:33, 31 May 2017		690 × 966 (171 KB)	Bob Burkhardt	{{Information \|Description ={{en\|1=Drawing of various components of ''Lycopodium clavatum'' (see legend below).}} \|Source =''Encyclopædia Britannica'' (11th ed.), v. 22, 1911, “Pteridophyta,” fig. 4, p. 608. \|Author =From Strasb...

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