PLATE XX. 



A. 



Gen 36.— DICRANOGLOSSUM, J. Sm. [Syu. p. xxxii,] 

 Fig. 1. Fragment of frond of D, subpiwnatifidum, Moore. 



2. Spore-case. 



3. Spores, 



Gek. 37.— TiEI4"IOPSIS, J. Smith. [Synopsis p. xxxiii.] 

 Fig. 1. Fragment of frond of T. gkaminifoliAj J. Sm, 



2. Spore-caae. 



3. Sporangiastres. 



4. Spores. 



