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1. Remarks on the Coal Plant termed Stigmaria

Published online by Cambridge University Press:  16 March 2015

Fleming
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Extract

The author, after noticing the proofs of Stigmaria being the root of Sigillaria, called attention to the external organs, known formerly as the leaves, and more recently as the rootlets of the former. He stated that in the many examples of stigmaria which he had examined, he had never observed these rootlets articulated to the stem by anything resembling a ball-and-socket joint, considering the appearance which had led to this notion as due to shrinkage and state of preservation.

Type
Proceedings 1854-55
Information
Proceedings of the Royal Society of Edinburgh , Volume 3 , 1857 , pp. 316 - 318
Copyright
Copyright © Royal Society of Edinburgh 1857

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References

page 317 note * This valuable coal was dug and sold from the lands of Boghead, and known as the Boghead Parrot or Gas Coal, years before its existence in the lands of Torbanehill was ascertained, and, therefore, as a designation, has the undoubted claim of priority.