l^ s ICONES MUSCORUM. 



Hab. On decayed logs, on the ground near the roots of trees, 

 and on rocks partially covered with soil, in shaded or ex- 

 posed and moist or dry localities : quite common. 



Varies much in size and aspect, but always within the specific 

 limits above indicated. 



Resembles closely the preceding species in general appearance 

 and in the structure of the leaf; but is a somewhat smaller plant, 

 and is at once known by its straight capsule and different inner 

 peristome. 



CAB. 116. — Hypnum acuminatum. 



1, 2, ;>. Plantse femineae et masculie naturali magnitudine. 



I. Pars rami. 



5, 6, 7. Folia ejusdem. 



8, 9. Areolatio folii basis et apicis. 



10. Perichsetium. 



1 1. Folium perichsetiale. 



12. Capsula operculata et calyptrata. 



13. Capsular operculata?. 



14. Capsula absque operculo. 



15. Pars peristoma. 

 10. Operculum. 



1 7. Flos masculus. 



18. Folium pcrigonialc. 



19. Antheridium et paraphysis. 



