no TASMANIAN BRYOPHYTA, 



the margin; lower margin shortly revolute, serrate above; 

 nei-ve extending some distance into the apex ; cells all long, 

 not very narrow, with obtuse sinuous outlines, coloured 

 cells nearly smooth. Seta slender, rough, 5 m.m. ; capsule 

 oblong, 2 m.m. ; lid rostrate rather more than half a^ 

 long; calyptra short, rather rough at the apex; peris- 

 tome teeth split nearly to the base. 



In crevices of rock. Summit Mt. Wellington. 



KHACOMITRIUM PRUINOSUM, C. M. 



Stems long, numerous, with few short branches, as- 

 cending, in dense mats, dusky yellow, darker below, whitish 

 above from the colourless leaf tips. Leaves patent, pale, 

 ovato-lanceolate, tapering into a long, bent, colourless 

 apex, which is covered on back and sides with numerous 

 rather large, acute teeth, about 3 m.m., inclusive; margin 

 revolute below ; nerve ceasing in the colourless tip, lo«sis 

 of colour not abrupt ; cells long, linear, coarsely nodulose, 

 all with coarse, sinuose margins. Rest not seen. 



Common in crevices of rocks on mountains. 



GLYPHOMITRIUM, Bridel. 



Stems short, clusftered or in cushions. Leaves rather 

 narrow, opaque ; nerve strong, not excurrent ; cells min- 

 ute, rotund, rather larger and longer towards the base. 

 Seta slender, not long; capsule oblong, smooth; lid with a 

 long, slender rostrum ; calyptra mitriform, the broad base 

 well developed, nude, plicate, irregularly splitting; peris- 

 tome erect, teeth entire or cleft into two slender papillose 

 legs. 



Small plants with the habit of Grimmia, but with 

 larger calyptra and lid, and different peristome. 



Leaves acute. 



Leaves entire acutif olium. 



Leaves serrate serratum. 



Loaves obtuse iatif olium. 



