232 TASMANIAX BRYOPHYTA, 



R.S. TAS, 



On branches of shrubs, slopes of Mt. Wellington ; Coal 

 River Tier. 



Rhabdodontium Broth. 

 Habit elongated, procumbent, growing on the branches 

 of trees, with few irregular or many short branches. Leaves 

 imbricate,, broad, nerveless, concave, smooth, cells broadly- 

 linear. Capsule sessile or nearly so, on short lateral 

 branches, enclosed in perichaetial leaves. Exostome teeth 

 lanceolate; endostome rudimentar}- ; lid conic; calyptra 

 Tery short, mitriforai. 



Rhahdodoniiuni Jiuftnni Broth, et Geh. 



Stems bare below, densely covered with dark green 

 foliage above, about 10 cm. long with numerous short 

 branches. Leaves erecto-patent, imbricate, broadly ovate, 

 shortly acuminate, 1.3 mm., basal cells bi'own, margin en- 

 tire. Capsule oblong 2 mm., lid short, rostrate. Perichae- 

 tial leaves pale, narrow, ovate-acuminate 2.5 mm. 



Port Davey, Hartz Mountains. 



Neckera Iledw. 



Stem creeping, the branches ascending or pendulous, 

 pinnate, often elongated. Leaves in man}^ rows but com- 

 planate, unequal, unsymmetric, ovate-lanceolate ; cells 

 small, oval to rhomboid, linear below. Capsule usually 

 immersed in the perichaetial leaves ; calyptra very short 

 split on one side ; lid with a short oblique rostrum ; peris- 

 tome inserted deeply inside the ring ; exostome teeth 

 lanceolate, rather long, partially bifid at the apex; endo- 

 stome membrane short, the processes nearly filiform; cilia 

 none. 



Neckera liynienodonta CM. 



Stems flaccid or pendulous, branching pinnate or bipin- 

 nate, rather irregular, complanate, sometimes elongated 

 into slender, flagellate, small leaved ends. Leaves in many 

 rows, equal or nearly so, complanate, lateral spreading, 

 surface with transverse, broad undulations, ovate-oblong 

 rather oblique.' slightly to very acute, 2.5-3 mm.; margin 

 serrate above; nerves two short fainter none. Perichaetials 

 closely enclosing the capsule, lanceolate, very acute, 4 mm. 

 Seta under 1 mm.; capsule oblong, erect, 1.9 mm.; lid 

 conic, oblique, rather short; calyptra short, cucullate ; 

 peristome erect, conical, teeth long linear, tapering, smooth 

 with rather distant articulations partially split in the- 

 medium line ; endostome a short membrane and very long^ 

 filifoi'm processes; no cilia. 



