PLATE VI. 



1. Hypnum ruscifolium. 



a. leaf, magnified. 



b. sporangium, magnified. 



2. H. murale. 



a. leaf, magnified. 



b. young veil, magnified. 



c. sporangium, magnified. 



3. H. riparium. 



a. leaf magnified. 



5. sporangium, magnified. 



c. male inflorescence, magnified. 



d. antheridium, magnified. 



4. H. polygamum. 



a. leaf, magnified. 



b. sporangium, magnified. 



5. H. chrysophyllum. 



a. leaf, magnified. 



b. sporangium, magnified. 



6. H. stellatum. 



a. leaf, magnified. 



b. sporangium, magnified. 



