Text-book of structural and physiological botany / by Otto W. Thomé ... and Alfred W. Bennett.

  • Thomé, Otto W. (Otto Wilhelm), 1840-1925.
Date:
1885
Catalogue details

Licence: Public Domain Mark

Credit: Text-book of structural and physiological botany / by Otto W. Thomé ... and Alfred W. Bennett. Source: Wellcome Collection.

Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.

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    that the fossils known as Stigviaria, and formerly regarded as a distinct plant, are in reality the roots of Sigillaria.] The Fig. 538.—Stem of Sipllarm, from English Fig. 539.—Leaf-scar of Sigillaria coal-bed (reduced). Oa-icri (natural size). Fig. z^o—^nnularia/ertilis. Fig. ^ii,\.—Sfhenophylb(m annulatum. Lepidodendra, on the other hand, had much-branched stems, 30 or more metres in height, and 4 metres in girth, and