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BRITISH MOSSES. 



Capsule. Cernuous, oblong, strumose, striated. Summer and Autumn. 

 Locality. Aljnne rocks. 



A variety (D. molle) , found on Ben Nevis, has very long stems and wide 

 purple brown leaves. 



Fig. 3. Diceanum falcatum. 

 Sickle-leaved Fork 3Ioss (a) . 



Colour. Yellow green. 



Stems. One inch long or more, fastigiate. 



Leaves (b) . Base lanceolate, upper part lanceolate-subulate and denticulate ; nerve 



prominent. 

 Capsule. Ovate, strumose ; lid beaked. 

 Locality. Alpine rocks. 



VIII. ORTHOCARPA. 



In dense tufts. Stems long and forked, covered with root-like fibres. Leaves 

 mostly pointing to one side of the stem, nerve excurrent. Capsule erect. 

 Dioicous. 



Fig. 4. Diceanum ciecinnatum. 

 Curved-leaved Fork Moss (a) . 



Colour. Yellow green. 

 Stems. Long, branched. 



Leaves. Base broad, upper part lanceolate-subulate, and toothed ; nerve pro- 

 minent. Bent in a circular form (circinnate) . 

 Found barren by Dr. Greville on Ben Voirlich. 



Fig. 5. Diceanum Scottlanum. 

 Dr. Scott's Fork Moss {a) . 



Colour. Brownish-green. 



Stems. One to two inches long, branched. 



Leaves (b.) Much crowded, secund, lanceolate-subulate ; nerve prominent. 



