PLATE VIII. 



1. Hypnum cuspidatum. 



a. leaf, magnified. 



6. sporangium, magnified. 



2. H. Schreberi. 



a. leaves, from before and behind, magnified. 



b. sporangium, magnified. 



3. H. purum. 



a. leaves, from before and behind, magnified. 



b. sporangium, magnified. 



4. Thuidium tamariscinum. 



a. leaves, magnified. 



b. sporangium, magnified. 



5. Hypnum Blandovii. 



a. leaf, magnified. 



b. leaf, seen from behind, with down-like paraphylla 



c. sporangium, magnified. 



