LIST OF WORKS QUOTED. 
THE ABBREVIATIONS USED IN THE TEXT ARE GIVEN IN SQUARE BRACKETS. 
Andrae, K. T. Fossile flora Siebenbiirgens und des Banates. [Abh. 
k.-k. geol. Reichs. vol. 11. Abth. iii. No. 4, 1853.] 
Auerbach, J. Notiz iiber einige Pflanzen-Versteinerungen aus einem 
Sandsteine des Moskovischen Gouvernements. [Buil. Soc. 
Imp. Nat. Mose. vol. xvii. pt. i. 1844, p. 145.] 
Auerbach, J. and Frears, H. Notices sur quelques passages de l’ouvrage 
de MM. Murchison, E. de Verneuil et le Conte A. de Keyser- 
ling. [Bull. Soc. Imp. Nat. Mose. vol. xix, pt. i. 1846, p. 486.] 
Baker, J. G. (1) The Handbook of the Fern allies. [Fern allies.] 
Baker, J. G. (2) A Summary of the new Ferns which have been 
discovered or described since 1874. [Annals Bot. vol. v. 
1890-91, p. 181.] 
Bartholni, C. T. Nogle i den bornholmske Juraformation forekom- 
mende Plante forsteninger. [Bot. Tid. Bot. For. Kjévenhavn, 
vol, xviii. Heft i. 1892, p. 12.] 
Bary, A. de. Comparative Anatomy of Phanerogams and Ferns. Oxford, 
1884. [Comp. Anat.] 
Berendt, —. See Goppert. 
Bischoff, G. W. Die Chareen und Equiseteen. Niirnberg, 1828. 
Bleicher, —. See Fliche. 
Bogle, J. H. Wealden Strata of East Sussex. [Zvrans. Nat. Hist. Soc. 
Eastbourne, May 20, 1881.] 
Bower, F. O. Is the Eusporangiate or the Leptosporangiate the more 
primitive type in the Ferns? [Annals Bot. vol. v. 1891, 
p- 109.] 
Brauns, D. Der Sandstein bei Seinstedt unweit des Fallsteins und die 
in ihm Vorkommenden Pflanzenreste. [Paleontographica, 
vol. ix. 1862-64. ] 
Bristow, H. W. The Geology of the Isle of Wight, edit. ii. Revised 
by C. Reid and A. Strahan. [Geol. I. Wight.] 
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