Mosses and Lichens 



narrowly taper-pointed; base growing down the stem; decur- 

 rent; vein reaching the middle: margin finely saw-toothed all 



around; cells narrowly oblong- 

 hexagonal, shorter and broader 

 at the basilar angles. 



Leaves at the base of the pedi- 

 cel Ovate, long, taper-pointed, 

 recurved from the middle; vein 

 not easily distinguishable. 



Habit of flowering. Male and 

 female flowers on separate plants. 



Perichcciial leaves (dioicous). 



Veil (calyptra). Thin, split 

 up one side. 



B. Novce-Anglice. Spore-cases. 



Spore-case. Oblong, erect, slightly curved. 

 Pedicel (seta). Rough, purple. 

 Lid (opercuhim). Long, conical, taper-pointed. 

 Annulus. Double, large. 



Stem. 



Leaves at base of pedicel. 

 B. Novcs-Anglice. 



Teetb (peristome). Teeth denseiy articulate, segments of the 

 inner membrane as long as the teeth. Cilia well developed but 

 without transverse spurs attached at intervals to the margin. 



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