224 



MR. A. C. SEWARD ON THE 



[May 1903, 



England. 



Equisetai.es. 



Equisetites columnaris, 

 Brongn. 



Ltcopodiales. 



Lyeopodites falcatus, 

 L. &H. 



FlLICALES. 



Matonidium Gap-pert i 



(Ett„). 

 Laccopteris polypodi- 



oides (Brongn.). 

 L. Woodwardi (Leek.).. 



Japan. 



India. 



Bornholm. 



The equisetaceous plant 

 named by Dr. Yokoyama 

 Equisetum ushimarense 

 agrees closely with the 

 European Wealden spe 

 cies Equisetites JBurch 

 ardti, Dunk. 1 



Cf. Equisetites rajmaha-Cf. Equisetites column? 

 lensis. F. I aris. 



'- [Equisetum Muensteri 

 and E. cf. Lyelli. M.] 

 The stems of Equi- 

 setites figured by Barth- 

 olin and Moller bear 

 a resemblance to the 

 smaller forms of E. co 

 lumnaris. 



Lyeopodites falcatus. 



Cf. Lyeopodites sp. 



(The fragments figured; [Cheirolepisgracilis.Y.'} 

 by Prof. Nathorst 2 ap- 

 pear to be too small to 

 identify with any cer- 

 tainty.) 



Todites Williamsoni 

 (Brongn.). 



Cf. Todites Williamsoni. 

 r Asplenium whitbiense 

 "(Brongn.). Y.] 

 Coniopteris hymenophyl-1 Coniopteris hymeno- 

 loides (Brongn.). phylloides. 



\Dicksonia nephrocarpa. 

 Y-] 



C. quinqueloba (Phill.). ; 



C. arguta (L. & H.) Cladophlebis Dunkeri 



(Schimp.). 



(This Wealden type 3 

 is hardly distinguishable 

 from C. arguta.) 

 [Pecopteris exilis. Y. : 

 P. Geyleriana. N.] 



L. falcatus. M. 



Coniopteris hymenophyl- 

 loides. 



[Hymenophyllites JBun- 

 buryanus. F. ; Spheno- 

 pteris arguta. FT) 



Cf. Cladophlebis arguta. 

 [Pecopteris lobata. F.] 



Dictyoph t/llum rugosum, 

 L. & H. 



Klukia exilis (Phill.). 

 Ruffordia Gospperti 



(Dunk.). 



Cladophlebis denticulata Cf. Cladophlebis denti- 

 (Brongn.). : culata. 



[Asplenium distans. Y.] 

 [Cladophlebis sp. N.] 



CI. lobifolia (Phffl.) 



princeps. 



Sphenoptet 

 Presl. 



Cladophlebis denticulata 

 [Alethopteris indica. F.] 

 [Asplenites macrocar- 

 ' pus. F.] 



Laccopteris polypodi- 

 oides. M. 



L. Woodwardi. 



\Microdictyon Wood- 

 wardi. M.] 



Coniopteris hymenopliyl- 

 loides. 



[Sphenopteris hymeno- 

 phylloides and Dick- 

 sonia Pingelii. M.] 



Cf. Cladophlebis arguta. 

 [ Thaumatopteris graci- 

 ~ lis. M.] 



Dictyophyllum rugosum. 

 [JD. Muensteri ; J), acuti- 

 lobum ; L. NilssoniaM..~\ 



Cf. CI. denticulata. 

 [CI. nebbensis. M.] 



Cladophlebis lobifolia. 

 \I)icksonia lobifolia, ,M.] 

 Sphenopteris princeps. 

 [Acrostichides princeps. 

 M.J 



1 Seward (94) r-. 29. 



3 Seward (94) p. 100 & pi. vii, fig. 3. 



2 Nathorst (90) pi. ii, fig. 3. 



