BY L. KODWAY. 95 



irregular; nerve bold, comprising all the upper portion of 

 the leaf; cells narrow, rhomboid. Seta slender, 1.5 cm-; 

 capsule erect, or nearly so, oblong to cylindric, 1.5 m.m. ; 

 lid conic, short. 



Mount Wellington, Gordon River. 



SCLERODONTIUM, Mitt. 



Habit procumbent, with ascending simple branches. 

 Leaves ovate to lanceolate, of rather hard texture, densely 

 papillose externally, nerved ; cells iiTegularly round, in- 

 crassate, those at the base abiiiptly brown and square, in- 

 flated, except on the rib. Seta long, on a short lateral 

 branch ; capsule small, ovoid, cernuous ; lid with a long ros- 

 trum ; calyptra cucuUate. 



SCLERODONTIUM PALLIDUM (Hook), Mitt. 



Syn : Dicranum Sieberianum, Horns. 

 Syn : Lcucoloma Sieberianum, Par. 



Dark livid to pale in younger parts, 2-4 cm. ; branches 

 many, simple. Leaves squarrose, ovate, lanceolate, 3 m.m. ; 

 nerve slender, vanishing below the acute apex ; margin en- 

 tire, hyaline, but the coarse papillae assuming the character 

 of teeth at the extreme tip. 



Trevallyn Gully, Launceston. 



TRIDONTIUM, Hook. 



Suberect, or depressed, with few simple branches form- 

 ing mats on wet rocks. Leaves lanceolate, rather firm, very 

 slightly papillose, nerved; margin entire; cells irregularly 

 round, incrassate, passing towards the base into larger, rec- 

 tangulai'. Seta fairly long; capsule short, erect, broadly 

 obconic with a strumous base; annulus well developed; lid 

 rostrate, nearly as long ; calyptra narrow, cucuUate. Peris- 

 tome well developed, teeth split above into three slender 

 closely articled smooth legs. 



TRIDONTIUM TASMANICUM, Hook. 



Syn : Dicranum tasmanicum. Hook. 



Dark, nearly black ; branches 3-6 cm. Leaves lanceo- 

 lat-e, obtuse, 3 m.m.; nerve vanishing near the apex; mar- 

 gin entire, undulate. Seta 1.5-2 cm.; capsule 1.7 m.m. 



Wet rocks in rivulet, water-race flobart Reservoir. 



