PLATE XI. 



1. Hypnum uncinatum. 



a. leaf, magnified. 



b. sporangium, magnified. 



2. H. Crista-castrensis. 



a. leaf, magnified. 



b. sporangium, magnified. 



3. H. molluscum (different from the usual habit). 



a. leaves, magnified. 



b. sporangium, magnified. 



4. H. cupressiforme. 



a. leaf, magnified. 



b. sporangium, magnified. 



5. H. scorpioides. 



a. leaf, magnified. 



b. sporangium, magnified. 



c. male inflorescence, magnified. 



6. H. demissum. 



a. leaves from before and behind, magnified. 



b. sporangium, magnified. 



