246 TASMANIAN BRYOPHYTA, 



R.S. TAS. 



lid with a slender rostrum ; calyptra bare except a few short 

 hairs at the apex. 



Summit Mt. Wellington, Western Tiers, 



Psilopilum crispulum (H.f. et W.) Jaeg. 

 Syn : Polytrichum crispulum H.f. et W. 



Erect, usually under 2 cm. Leaves erecto-patent, short, 

 rigid, lanceolate from a sheathing hyaline base, not as 

 broad as in P. austrah, 3 mm., acute ; margin dentate ; 

 nerve not very broad ; upper surface lamellate but not as 

 strongly so as in P. australe. Seta 2 cm. ; capsule broadly 

 oblong, mouth constricted 2.5-3 mm. 



Western Tiers. 



PoGONATUM Beauv. 



Erect, rigid. Leaves lanceolate, sub-acute, not very 

 rigid ; nerve not broad, upper surface covered with numer- 

 ous lamellae. Capsule erect or inclined oblong, mouth not 

 constricted, round in section ; lid beaked ; calyptra dense- 

 ly covered with long silky hairs which descend and com- 

 pletely enclose the capsule; peristome teeth 32. 



Pogonatuin australasicum, Hpe. et CM. 



Stems 3-6 cm. Leaves lanceolate, subacute not very 

 rigid, upper surface except the base and a narrow margin 

 densely covered with lamellae, 5 mm., margin strongly ser- 

 rate ; nerve not broad vanishing in the apex. Capsule 

 oblong, inclined, smooth, 3 mm., lid with a bold rostrum, 

 1 mm. ; calyptra brown above, pale in the lower part. 



In Australian records often referred to P. tortile, Palis. 



Very common on hillsides. 



POLYTRICHADELPHUS Mitt. 



Stems erect, seldom branched, rigid. Leaves with a 

 very short sheathing , broad, hyaline base and a rigid 

 divaricate lamina; nerve very broad densely covered on 

 the upper surface with lamellae. Seta long ; capsule 

 oblong, inclined, flattened on the uj^per surface ; peristome 

 of 64 short teeth; lid beaked, calyptra nearly hairless. 



Polytrichadelphus Magellanicus (Hedw.) Mitt, 

 Syn : Polytrichum Magellanicuni Hedw. 

 Erect, simple, rigid, 3-5 cm. Leaves rigid, patent, 5 

 mm., the lamina except a narrow margin composed entire- 

 ly of thickened nerve ; mai'gin strongly serrate ; apex 

 acute. Capsule inclined broadly oblong, flattened above, 



