240 TASMANIAN BRYOPHYTA, 



R.S. TA?, 



double, the exostome teeth 16, the two legs cartilaginous, 

 only connected by a thin membrane ; endostome membrane 

 deep, processes lanceolate acute about the same length. 

 Cilia noaie. 



A natural group chiefly distinguished by the leaf texture 

 and habit. It has affinity with Loj'yhidiaceae and more dis- 

 tantly with Mniaceae. 

 Sauloma. Leaves lanceolate shining; cells fusiform. 



Calyptra with a torn base. 

 Daltonia. Leaves lanceolate; cells narrow rhomboid. 



Calyptra with a fringed base. 

 Eriopus. Leaves broad ; cells rotund. Seta rough or 



strigose. Calyptra fringed. 

 DiSTiCHOPHYLLUM. Leaves broad; cells rotund. Seta 



smooth. Calyptra fringed or not. 

 Pterygophyllum. Leaves broad, not bordered, acutely 



toothed, cells large, nerve forked. Calyptra with a plain 



base. 



Sauloma H.f. et W. 



Small, depressed or erect in dense cushions. Leaves 

 lanceolate, acute, plurif arious, margin revolute ; nerve 

 none; cells lax, fusiform, a few at the extreme base 

 quadrate. Seta slender smc^oth ; capsule small ovoid ; lid 

 rostrate ; calyptra large smooth, regular or torn at the 

 base, not fimbriated ; peristome typical. 



Sauloma tenella H.f. et W. 

 Syn : Hookeria tenella H.f. et W. 

 Depressed or suberect, green or yellow, stems about 1 

 cm. Leaves erect, imbricate, broadly lanceolate, acute, 

 shilling, 2 mm. Seta 1 cm.; capsule erect, oblong L2 mm. 

 Slopes of Mt. Wellington, Geeveston, Coal River Tier, 

 etc. 



Daltonia H.f. et Tayl. 

 Very Simall, erect, tufted. Leaves lanceolate ; nerve 

 vanishing above ; cells linear-rhomboid. Seta slender, often 

 papillose, capsule erect, oblong ; lid conic-rostrate ; calyp- 

 tra copiously hairy ; exostome teeth very slender, finely 

 papillose ; endostome base very short, the processes long, 

 slender, papillose converging in a cone when dry. 



Daltonia pus: ilia H.f. et W. 

 Stem seldo'm cxceedng 5 mm. Leaves erect, acute, 2 

 mm. ; margin with a narrow thickened border, involute ; 

 nerve canaliculate, vanishing at a distance from the apex. 



