BOTANICAL AND GEOLOGICAL. 721 



to Coniferse." Geol. Trans., 2nd series, vol. iv, p. 222 

 (1836). 



" A point which Mr. Brown considers as well deserving 

 of remark is, that the only remains of vegetables hitherto 

 found in these strata, under the circumstances above de- 

 scribed, belong to two nearly related families, Coniferse and 

 Cycadese, which have lately been regarded as forming a 

 distinct class, characterised not only by greater simplicity 

 of the parts of fructification, but also by some peculiarities 

 of the internal structure, and thence have been considered 

 as intermediate between Phsenogamous and Cryptogamous 

 or Acotyledonous plants." Ibid. p. 225. 



" A cone has recently been found on the shore of the Isle 

 of Portland, not improbably derived from one of the beds 

 of clay, or 'Dirt/ subordinate to the lower part of the 

 Portland strata, the structure of which, according to Mr. 

 Brown, approaches in some respects to that of Araucaria. 

 I am indebted to the kindness of the Rev. David Williams, 

 of Cross, near Bleadon, in Somersetshire, to whom it 

 belongs, for an opportunity of submitting this beautiful spe- 

 cimen to the examination of Mr. Brown, who will, I hope, 

 describe its structure in the ' Transactions of the Linnean 

 Society.' " Ibid. p. 349. 



Mr. [now Prof.] Morris, in his appendix to Mr. Prest- 

 wich's memoir "On the Geology of Coalbrook Dale," 

 under the description of pi. xxxviii, says — 



" Stigmaria ficoides. In the 'Fossil Flora/ t. 31 — 36, 

 are figures and descriptions of Stigmaria ficoides, and at 

 t. 156 is shown the structure of the same; and although 

 we cannot add much new information to that previously 

 given by Prof. Lindley, it has been thought advisable to have 

 another section represented, with a view of showing what 

 has hitherto not been well illustrated in the published 

 figures of its structure. The internal cylinder in the spe- 

 cimen (fig. 3) is eccentric, and consists of wedge-like por- 

 tions of vascular tissue, the rounded origin of which, inter- 

 nally, is well defined ; these wedges are generally of equal 

 or nearly equal size, but they occasionally become confluent 



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