PLANTS FROM ALASKA. 165 



exposed. It has pinnules larger than those shown in PL XLIII, Fig. 4, 

 and more deeply incised. It evidently comes from a position still lower 

 on the frond. 



To judge from the number of specimens of this fei-n found in the 

 small collections, it was one of the most abundant and characteristic 

 plants of the flora of its time. That it was pretty widely distributed is 

 shown by the fact that two specimens of it occur in the few fossils collected 

 by Mr. Schrader, at a locality 180 miles distant from the places where 

 Messrs. Woolfe and Dumars obtained their fossils. The specimens of 

 Mr. Schrader show several fragments of pinnules that are rather deeply 

 incised into lobes, and also dentate ones. PI. XLIII, Fig. 7, represents 

 the specimen in Mr. Woolfe's collection which Professor Lesquereux 

 referred to Asplenium Foersteri Deb. & Ett. 



Phylum Si^ERJVIA^TOPHYT^. 



Class GYMNOSPERM.E. 



Order CYCADALES. 



Family CYCADACEiE. 



Genus PODOZAMITES Friedrich Biaim. 



PoDOZAMiTES DiSTANTiNERYis Fontaine. 



1888. Podozamites latipennis Heer. Lesquereux: Proc. U. S. Nat. Mus., Vol. XI, 

 p. 31, pi. xvi, figs. 2, 3. 



1888. Zamites alaskana Lx.: Op. cit., p. 32, pi. x, fig. 4. 



1889. Podozamites distantinervis Font.: Potomac Flora (Monogr. U. S. Geol. Surv., 



Vol. XV), p. 179, pi. Ixxix, fig. 5; pi. Ixxxii, fig. 4; pi. Ixxxiii, figs. 1, 2, 6, 7; 

 pi. Ixxxiv, figs. 1, 2, 8, 10, 14, 15; pi. Ixxxv, figs. 12, 16. 

 1902. Podozamites distantinervis Font. Schrader: Bull. Geol. Soc. Am., Vol. XIII, 

 p. 245. 



Several detached leaflets occur in the collections, mostly in the spec- 

 imens collected by Mr. Woolfe, that seem to be a Podozamites, identical 

 with the form described from the Potomac formation with the name 

 P. distantinervis. Two fragments of it occur also among the specimens 

 collected by Mr. Schrader. 



Professor Lesquereux identifies most of these specimens with P. 

 latipennis Heer, a form in which the leaflets do not terminate at their 



