PLATE XLI. 



FIG. 



1. SCHIZOTHECA FISSA, p. 284<. 



2. , chain of aviculariau cells^ with an ordinary 



zooecium interposed. 



3. • , marginal cell and avicularia. 



4. ScHIZOTHECA DIVISA^ p. 285. 



5. , with the peristome much elevated. 



6. , a single cell^ highly magnified. 



7. SCHIZOPORELLA ARMATA^ p. 258. 



8. , cell with ooecium. 



