I'LATE VI. 



A. 



G-Bir. 9.— HYMENODIUM, Fee. [Synopsis p. xix.] 

 Fio. 1. Fragment of sterile frond of H. OEiiriTniii, Fie. 



2. Fragment of the fertile frond of the same. 



3. Spore-case. 



4. Spores. 



B. 



Gen. 10.— STBNOSEMIA, :Presl. [Synopsis p. xx.] 

 Fig. 1. Fragment of sterile frond of S. aubita, Presi! (n. s.) 



2. Fragment of the fertile frond of the same. 



3. Spore-case. 



4. Spores. 



