6 ICONES MUSCORUM. 



The description and figure here given are from specimens 

 collected in Florida hy Ritgel, and received from Prof. Schimper 

 as his Sphagnum hum He. 



The species is perhaps too near the squarrose-leaved forms of 

 S. rigidum, Sch. (£. compactum, Brid.}, which abound in 

 the Southern United States. 



TAB. 3. — Sphagnum humile. 



1. Plantse naturali magnitudine. 



2. Pars caulis cum ramulorum fascicule 



3. Sectio transversalis caulis. 



4. Eadem ramuli. 



5. Folium caulinum. 



6. Idem et areolatio ejusdem. 



7. 8. Folia media ramuli deflexi. 

 9, 10. Folia terminalia ejusdem. 



11. Areolatio folii ramulini. 



12, 13,14. Sectiones transversal es ejusdem. 



15. Pericha?tium. 



16. Idem dissolutum et capsula pseudopodio elata. 



17. Folium perichaetiale. 



18. Areolatio ejusdem. 



19. Apex ejusdem. 



20. Capsula operculata cum calyptrse residuo. 



21. Operculum et spora. 



