44 ARKIV FÖR BOTANIK. BAND 13. N:0 7. 



Figs. 12 — 15. Nilssonia sp. Fig. 13, magnification of fig. 12, 



showing dots, ^/i. 

 Fig. 16. Balera? sp. 



Figs. 17, 18. Pityopliyllum? sp. 



B. Flora of Kurremölla {jigs. 19—23). 



Figs. 19, 20. Cladophlebis sp. [Cf. C. {Eboracia) lolifolia (Phill.) 

 Brgn.] 



Figs. 21 — 23. Eqiiisetites Mobergii Mull. Figs. 21 and 22, im- 

 pressions of stems; fig. 23, diaphragm. 



Plate 3. 



Flora of Kurremölla. 



Figs. 1 — 8. Equisetites Mobergii Moll. Figs. 1 — 4, impressions 

 of stems; figs. 5 — 7, single leaf-sheaths, 7i ; fig- 8, 

 diaphragm, ^i. 



Figs. 9 — 11. Sphenopteris sp. {Cf. BicJcsonia pauciloba Moll.). 

 Fig. 10, two pinnules from the specimen in fig. 

 9, Vi. 



Fig. 12. Clathropteris? or JDidyophyllum? sp. Fragment of 



frond, ^/i. 



Figs. 13 — 17. Laccopteris sp. 1. Figs. 14 and 16, magnifications 

 of figs. 13 and 15, resp., ^i; fig- 17, fertile speci- 

 men, enlarged, ^/i. 



Figs. 18 — 20. Laccopteris? sp. 2. Figs. 18 and 20 enlarged, 7^ > 

 fig. 20, magnification of fig. 19. 



Figs. 21 — 24. Sagenopåeris cf. Mantelli (Dunk.) Nath. 



Plate 4. 



Flora of Kurremölla. 



Figs. 1 — 10. Nilssonia fallax Nath. Fig. 6, enlarged segment of 

 the specimen in fig. 5, showing bifurcation of one 

 vein, 7i; fig- 7, apex of frond; figs. 9 and 10, 

 specimens showing the attachment of the segments to 

 the upper surface of the rachis, ^ji. 



Plate 5. 



Flora of Kurremölla. 



Figs. 1 — 4. Nilssonia fallax Nath. Fig 4, the basal part of a 

 frond, showing the attachment of the segments. 



