216 TASMANIAX BRYOPHYTA, 



R.S. TAS. 



patch of about twenty enlarged quadrate cells ; perichae- 

 tials oblong, erect, sometimes serrate, with a filiform re- 

 curved point- Seta 1.5 cm.; capsule oblong, slightly in- 

 clined, slightly bent, pale brown, 1.8 mm.; lid convex with 

 a short acute rostrum, smooth. 

 Very common on deadwood. 



f. robusta. Branches few, robust; leaves oblong with a short 

 acuminate point not secund, nerve more apparent. Other 

 details as above. All intermediate sta,ges fairly common. 

 On the ground amongst grass- 



Stereodon Mossmanianiis CM. 



Decumbent, elongated, with numerous pinnate lateral 

 branches, pale yellow green. Leaves closely secund, shin- 

 ing, lanceolate not recurved, basei not broad, but from there 

 tapering upwards into an attenuated curved point, 1 mm. ; 

 margin plain, nerve none; cells vermiform, nine to twelve 

 at the angles irregularly quadrate; perichsetials erect 

 sheathing with slender terminations. Seta 2 cm. ; capsule 

 nearly erect, slightly bent, Oiblong, 2.7 mm- ; lid with an 

 acute point. 



Very close to S. cupressiformis. Differing in the non- 

 recurved leaves, smaller alar patch and entire upper 

 margin. 



Hobart Rivulet on stones. 



Stereodon chrysocj aster (CM.) Mitt. 

 Syn. : Hypmim patale H.f. et W. 



Shoots long, irregularly pinnate, branches mostly long 

 forming a loose mat, pale greenish. Leaves rather closely 

 secund, shining, broadly ovate^anceolate, the attenuated 

 upper portion not long, curved, 1.8 mm. ; margin plain or 

 subserrulate ; nerve none ; cells long fusiform, a small 

 patch of six or eight enlarged cells at the angles, three of 

 which are larger and oblong as in IViaphidostryiu/ji ; peri- 

 chsetials lanceolate, with erect slender points usually ser- 

 rulate. Seta 2 cm. ; capsule inclined, nan'ow oblong, 

 slightly bent, 2.2 mm.; lid with a, short, acute point. 



Habit much less regularly pinnate than in S. Moasmaiiianus; 

 leaves broader and the alars differently constructed. 



Common on deadwood. 



Stereodon Nelsoni Broth. 

 Shoots long, slender, with jDinnate, not very numerous 

 nor short, lateral branches, pale yellow-green. Leaves 

 equally dispersed, not crowded, nearly squarrose, concave. 



