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SIR J. WILLIAM DAWSON ON THE 



rows of short triangular scale-like leaves, becoming a little larger ou the upper parts of 

 the brauchlets. It is very near to the species above named. 



Sphenolepidium (Sp.) (Fig. 13.) 



^ 



Fig. 13. — Sphenolepidium. 



Differs from the above iu having the leaves somewhat larger and more slender. 

 These brauchlets may, however, belong to some species of Sequoia. 



Pagophyllum (Sp.) (Fig. 14.) 



Fig. 14. — Pagophyllum. 



Thick pointed leaves, length 3 cm., breadth at base 6 mm. Rounded at base and 

 quickly widening to full breadth and then gradually narrowing to the point, and show- 

 ing traces of longitudinal stripe. These seem to have been thick and fleshy leaves allied 

 to P. peregrina, Heer (see Schenck, p. 26). They also resemble leaves referred by Fontaine 

 to the genus Nageopsis, resembling his N. ovata from the Potomac formation. 



CarpolUes. (Figs. 15.) 



Fig. 15. — Carpolites. 

 There are in the collections many flattened oval or ovate nutlets of different size, 



