PAL S JO. 
Taf.l. 
A M Westergren de]. 
Fij>. 1-2. Hvsterites Friesi Nath. 3 Ecjuisetum' > 4~7. Spiropteris 
14. Dictyophvllum, 
Wurster. Rande^er 8t C* Winterthur. 
3-13. Rhizomopteris Schenki Nath. 
