EXPLANATION OF THE PLATES. XV11 



PLATE XL 



1. Hypnum uncinatum. 



a. leaf, jnagnified. 



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. 



PLATE XII. 



1. Hypnum pulchellum. 



a. leaves, magnified. 



b. sporangium, magnified. 



2. H. denticulatum. 



a. leaf, magnified. 



b. sporangium, magnified. 



3. H. elegans. 



a. leaf, magnified. 



b. sporangium, magnified. 



