Mosses and Lichens 



Leaves at the base of the spore-case (pericbcetial leaves). Small, 

 oval. 



Habit of flowering. Male and female flowers on separate 

 plants (dioicous), male branches rather thick, yellow-brown, red, 

 or olive-green. 



Veil (calypird). As in genus. 



Spore-case. Large, almost spherical, dark brown. 



Stem leaf. 



Branch leaves. 

 Sphagnum cytnbifoliutn. 



Pedicel. As in genus. 



Lid (operculum). Saucer-like. 



Teeth (peristome). None. 



Spores. Rust-colour, mature in July. 



Distribution. Universal. 



Antheridium. 



Genus ANDRE^A, Ehrh. 



The species of the Genus Andreaea are found in small, brown 

 or black, fragile tufts on granite or slate rocks in high altitudes. 

 They are among the first mosses to grow on rock and are 



Andreato Hartmanii. Leaves. 



Andrecea - 

 pes-tris. Spore- 

 case open ins 

 by four valves. 



efficient agents in preparing soil for higher forms of plant life. 

 The plants are small with forked branches which start from just 

 below the flower-bearing apex. The leaves are thick, open or 



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