Bibliography of Literature on Palteozoic Fossil Plants. 221 



Zeiller, R., Revue des Travaux de Paléontologie végétale [Begun bj^ Saporta]. Rev. 

 Gen. Bot. (1893—1896), Vol. IX p. 324, 360, 399, 449; 1897; Vol. X 

 p. 26, 69; 1898. (1897—1900). Vol. XIV p. 427, 486. 539; 1902; Vol. XV 

 p. 39, 83, 125, 186, 235, 328, 470; 1903. 



Silurian. 

 a) Petrifactions. 



Barber, C. A., The structure of Pachytheca. Part I, II. Ann. of Bot., Vol. Ill 



p. 141. 1889 ; Vol. V p. 145. 1890. 

 Hicks, H., On the Discovery of some Remains of Plants at the base of the 

 Denbighshire Grits near Corwen, N. Wales. Quart. Journ. Geol. Soc, 

 Vol. XXXVII p. 482. 1881. 



[Pachytheca and Psilophyton.] 

 Hooker, Sir J. D., Pachytheca. Ann. of Bot., Vol. Ill p. 135. 1889. 

 See also Devonian Literature. 



1)) Impressions. 



Foerste, A. F., An examination of Glyptodendron, Claypole, and of other so-called 



Silurian land-plants of Ohio. Amer. Geol., Vol. XII p. 133. 1893. 

 Lesquereux, L., Land Plants recently discovered in the Silurian Rocks of the 



United States. Proc. Amer. Phil. Soc, Vol. XVII p. 163. 1878. 

 [Psilophyton, Annularia, Sphenophyllum, Protostigma.] 

 Whiteaves, J. F., Descriptions of Eight new species of Fossils from the (Galena) 



Trenton Limestones of Lake Winnipeg and the Red River Valley. 



Canad. Rec. Sei., Vol. VI p. 387. 1895. (Chrondites, 3 Specs.) 



Devonian. 

 Impressions and Petrifactions. 



(Memoirs entirely devoted to petrifactions are indicated by **, those in Avhich petri- 

 factions as well as impressions are described by *.) 



1. Arctic Regions. 



Heer, O., Fossile Flora der Bäreninsel. Kongl. Svensk. Vetensk.-Akad. Handl., 



Vol. 9 No. 5. 1871. 

 Nathorst, A. G., Zur paläozoischen Flora der arktischen Zone. Kongl. Svensk. 

 Vetensk.-Akad. Handl., Vol. XXVI No. 4. 1894. Also Jahrb. k. k. geol. 

 Reichsanst., Wien, Vol. XLIV p. 87. 1894. 



[Lower Carboniferous plants are also described in this memoir.] 

 —, Ueber die oberdevonische Flora (die Ursaflora) der Bäreninsel. Bull. Geol. Inst. 

 Univ. Upsala. Vol. IV p. 152. 1900. 



[Archfeopteris, Bothrodendron, Pseudobornia.j 



