50 ICONES MUSCORUM. 



O. exiguum is remarkable for the very broad cilia of its peris- 

 tome, their breadth exceeding that of the teeth. 



On the leaves of both species, excrescences like those on the 

 leaves of O. Lyellii are occasionally present. 



TAB. 35. — Orthotriciium exiguum. 



1. Planta? femineae et masculse naturali magnitudine. 



2. Flanta capsulifera. 

 8. Planta mascula. 



1. 5, 6, 7. Folia. 

 8. Apex folii areolata. 

 1 Areolatio folii baseos. 



10. Sectiones transversales folii. 



11. Capsula cum foliis perichsetialibus. 



12. Capsula deoperculata, exsiccata. 



13. Calyptra. 



14. Operculum. 



15. Pars peristomii. 

 1G. Vaginula. 



17. Gemma mascula cum antheridio. 



18. Folium perigoniale cum antheridiis. 



