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 Bower, F. O., On the Structure of the Axis of Lepidostrobus Brownii Schpr. 



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[Lepidodendron and Ulodendron.] 

 Grand'Eury, C, vide Renault and Grand'Eury. 1876. 

 Hovelacque, M., Recherches sur le Lepidodendron selaginoides Sternb. Mém. Soc. 



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[A ribbed Sigillaria of the Favularian type.] 

 Maslen, A. J., The structure of Lepidostrobus. Trans. Linn. See. London, Ser. 2. 



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 Potonié, H., Ueber ein Stammstück von Lepidophloios macrolepidotus Goldenberg 



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Linn. Soc. London, Ser. 2, Bot., Vol. VI pt. 4 p. 217. 1903. 

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6. Gymnosperm» : — Cordaitales, Poroxylon, Coniferales. 



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 Knowlton, F. H., A revision of the genus Araucarioxylon of Kraus etc. Proc. 



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