Peat-Mosses 



Name. The specific name cymbifolium is compounded of two 

 Latin words, cymba, a small boat, and folium, a leaf, referring to 

 the branch-leaves. Stem solid, simple or two-parted; cortical 

 cells in 3 to 4 layers; cluster-branches (fascicles), swollen, 4 to 5, 

 2 to 3 hanging, the rest curved. 



Leaves. Stem leaves large, tongue-shaped or spatulate, gener- 

 ally turned back from the stem ; apex rounded and irregularly 

 notched; branch-leaves broadly oval and 

 boat-shaped, apex finely serrate and 

 rough, densely overlapping; translucent 



rtt*. 



Bit of stem with one leaf 

 and fascicle of four branches, 

 two appressed and three 

 spreading. 



Cross section of stem 



Female Bract of 

 branch, male branch. 



Perichsetial Apex of Male 



leaf. leaf- flower-cluster. 



Sphagnum cymbifolium. 



cells (utricles) large, with spiral thickenings (fibrillose) and few 

 pores, green cells (ducts) narrowly oval. 



129 



