EXPLANATION OF THE PLATES. XV11 



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. 



PLATE XII. 



1. Hypuum 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. 



