PLATE yil. 



Grm. 11.— PCECILOPTERIS, Fresl. [Synopsis p. ii.] 

 Fig. 1, Fragment of sterile frond of P. eepaitda, Fresl (n. s.) 



2. Fragment of sterile firond of P. BijBCEBir ATA, Jfefoore (n.s,) 



3. Fertile pinnse of the same (n. s.) 



4. Fragment of the fertile pinna enlarged, with the spore- 



cases partially removed. 



5. Spore-case. 



6. Spores. 



