FLORA. OF THE CARBONIFEROUS PERIOD. 445 



Veins twice forked, with Sori in the forks of the veins. In habit 

 like S. latifolia, Brongt., and S. Ncwburyi and S. squamosa, 

 Lesqx. 



4. S. decipiens, Lesquereux. 

 M. C. Sydney, R. Brown. 



5. S. gracilis, Brongt. 



M. C. Joggins, J. W. D. ; Grand L., C. F. Hartt. 



6. S. artemisifolia, Brongt. 



M. C. Grand L., C. F. Hartt ; Sydney, R. Brown. 



7. S. Canadensis, N. S. 



Bay de Chaleur, Logan ; Sydney? R. Brown. 



General aspect like S. Hoeningliausi, but secondary pinnules 

 with a margined petiole and oblong pinnules divided into five to 

 three obtuse points. It is not unlike S. marginata, from the De- 

 vonian of St. John. 



8. JS. Lesquereuxii, Newberry. 

 M. C. Sydney, R. Brown. 



9. JS. Microloba, Guttbier. 

 M. C. Sydney, R. Brown. 



10. S. Obtusiolobal Brongt. 

 M. C. Bale de Chaleur, Logan. 



Phylloptbris, Brongt.' 



Phyllopteris antiqua, s. n. 



M. C. Sydney, R. Brown. 



Pinnate ; petiole thick, woody, pinnules oblong, pointed, attach- 

 ed by middle of base; midrib strong extending to the point, 

 giving off very oblique nerves which have obliquely pinnate 

 nervules not anastomosing. A remarkable frond, which, if not the 

 tvpe of a new genuii, must belong to that above named. 



Alethopteris, Sternberg. 



1. Alethopteris loncJiitica, Sternberg. 



M. &U. C. Joggins, J. W. D.; M. C, Sydney, R. Brown ; 

 Grand L., C. F. Hartt. 



Very abundant throughout the Middle and Upper coal forma- 

 tion, and so variable that several species might easily be founded 

 on detached specimens. ' • ■ 



2. A. lieterophylla, L. & H. 

 L. C. Parrsboro', A. Gesner. 



3. A. grandini, Brongt. 

 M. C, Sydney, R. Brown 



