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Earth and Environmental Science Transactions of The Royal Society of Edinburgh
ISSN: 1755-6910

EISSN: 1755-6929

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1959-1960 On the Structure of “Deltasperma Fouldenense” Gen. Et SP. Nov., and “Camptosperma Berniciense” Gen. ER SP. Nov., Petrified Seeds from the Calciferous Sandstone Series of Berwickshire

Volume 64 - Issue 13 - 1961

Contents

Research Article

XIII.—On the Structure of Deltasperma fouldenense gen. et sp. nov., and Camptosperma berniciense gen. et sp. nov., petrified seeds from the Calciferous Sandstone Series of Berwickshire *
Albert G. Long
Published online by Cambridge University Press:

30 May 2017, pp. 281-295
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Two new species of fossil seeds are described from the Cementstone Group of Berwickshire. Deltasperma fouldenense is asymmetrically platyspermic, and has large superficial cells chiefly on the more convex side. It is orthotropous but shows no pedicel. Camptosperma berniciense is campylotropous and has a dense integument. A vascular bundle to the chalaza ends at the nucellus base.
Both seeds possess a similar lagenostome and short salpinx; two integumental bundles which expand in the free lobes; a female prothallus with a wide “tent-pole” and about two archegonia; a nucellus adnate to the integument below the lagenostome; and spherical pollen grains in the pollen chamber. The seeds show most affinity with the Lagenostomales.

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TRE volume 64 issue 13 Cover and Front matter
Published online by Cambridge University Press:

30 May 2017, p. f1
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TRE volume 64 issue 13 Cover and Back matter
Published online by Cambridge University Press:

30 May 2017, p. b1
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Earth and Environmental Science Transactions of The Royal Society of Edinburgh

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1959-1960 On the Structure of “Deltasperma Fouldenense” Gen. Et SP. Nov., and “Camptosperma Berniciense” Gen. ER SP. Nov., Petrified Seeds from the Calciferous Sandstone Series of Berwickshire

Research Article

XIII.—On the Structure of Deltasperma fouldenense gen. et sp. nov., and Camptosperma berniciense gen. et sp. nov., petrified seeds from the Calciferous Sandstone Series of Berwickshire *

Front matter

TRE volume 64 issue 13 Cover and Front matter

Back matter

TRE volume 64 issue 13 Cover and Back matter

Earth and Environmental Science Transactions of The Royal Society of Edinburgh

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1959-1960 On the Structure of “Deltasperma Fouldenense” Gen. Et SP. Nov., and “Camptosperma Berniciense” Gen. ER SP. Nov., Petrified Seeds from the Calciferous Sandstone Series of Berwickshire

Research Article

XIII.—On the Structure of Deltasperma fouldenense gen. et sp. nov., and Camptosperma berniciense gen. et sp. nov., petrified seeds from the Calciferous Sandstone Series of Berwickshire*

Front matter

TRE volume 64 issue 13 Cover and Front matter

Back matter

TRE volume 64 issue 13 Cover and Back matter

XIII.—On the Structure of Deltasperma fouldenense gen. et sp. nov., and Camptosperma berniciense gen. et sp. nov., petrified seeds from the Calciferous Sandstone Series of Berwickshire *