Mosses and Lichens 



Habit of flowering. Male and female flowers on the same 

 stems, (monoicous). 



Veil (calyptra). Thin, split up one side. 



Spore-case. Somewhat erect, cylindrical, yellowish, curved 

 when dry. 



H. reptile. Stem-leaves. 



Pedicel. Smooth. 



Lid (operculum). Large, yel- 

 low, shortly beaked from a highly 

 convex base. 



Teeth (peristome}. Long taper- 

 pointed, orange at the base, seg- 

 ments of the inner membrane cleft 

 between the cross bars ; cilia shorter 

 than the segments. 



Annulus. Large, compound. 



H. reptile. Plant. 



Spore-cases with lids. 



Portion of the peris- 

 tome showing on the 

 left two outer teeth ; on 

 the right two inner 

 teeth and four cilia. 



H. reptile. 



3OO 



Spore-cases with- 

 out lids. 



