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62 



CANADIAN FOSSILS. 



pilosa. I now refer it to Brongniart's genus CalUpteris. Though the 

 typical species of this genus are Permian, I believe it has represen- 

 tatives in the Carboniferous. 



Genus Sphbnoptbeis. — BRoiTGr. 



76. Sphenopteris Hoeninqhausi, Brong. — (PI. XVIy Fig, 186.) 

 — M.D., St. John, New Brunswick. 



The ferns from St. John which I referred to this species are very rare, 

 and no examples showing the venation have been found. It resembles 

 Brongniart's species in form and dimensions. 



77. Sphenopteris marginata, Dn.— rPl. XVI, Fig. 184.) — J. G. S., 

 XVIII, 321 ; PI. XV, Fig. 38.— M. D., St. John, New Brunswick. 



" This resembles the last species in general form, but is larger, with 

 the pinnules round or round-ovate, divided into three or five 

 rounded lobes, and united by a broad base to the broadly winged 

 petiole." 



This species is more abundant than the preceding, and the recent 

 collections include specimens showing its form and venation very distinctly. 



78. Sphenopteris Harttii, Dn.— (PI. XVI, Figs. 176, 177.)— J. G.S., 



XVIII, 321 ; PI. XVII, Fig. 32.— M.D. St. John, New Brunswick. 



" Bipinn&,te or tripinnate. Divisions of the rachis margined. Pinnules 

 oblique, and confluent with the margins of the petiole ; bluntly 

 *: and unequally lobed. Nerves few, oblique, twice-forked." 



79. Sphenopteris Hitchcockiana, Dn. — (PI. XV, Fig. 175.) — J. G. 



S., XVIII, 321 ; PI. XVI, Fig. 31.— U.D., Perry, Maine. - 



" Stipes stout, straight, rugose, giving off slender secondary petioles, which 

 ramify dichotomously and terminate in minute obovate leaflets." 



The only perfect specimen of this species was found by Mr. Hitchcock 

 at Perry. The suggestion of Schimper already referred to, that this 

 species may be founded on fertile pinnules of Cydopteris of the subgenus 

 Archoeopteris, is deserving of attention. The scattered pinnules from 

 St. John referred to it in a former paper are, I confess, very doubtful, 

 and in large additional suites of specimens I have not been able to ascer- 

 tain any connection with a stem. They may possibly be scattered spor- 

 cases, as suggested by Schimper. 



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