190 TASMANIAN BRYOPHYTA, 



R.S. TASv 



regularly rhomboid, 36 x Sp-. Seta 1.5 cm. ; capsule oblong, 

 dark, 2mm., base swollen rather obtuse; lid convex-conic, 

 acutely umbonate- 



Circular Head, Huon-road 9 miles. 



Bryimi subcujjulatiim C.^i. 



Pale yellow green, slender, about 1 cm., densely tufted. 

 Leaves distributed along the stern, ovate, acuminate, sub- 

 acute, 1 mm.; nerve percurr en t to very shortly excurrent, 

 margin subserrulatei towards the apex, about two series 

 elongated, otherwise not bordered; cells rhomboid, very 

 irregular. Seta slender, 1 cm. ; capsule inclined, oblong, 

 1-1.5 mm., with a rather swollen apoph3^sis and a very 

 shortly tapering neck. 



Zeehan. 



Bryum argenteum L. 



Small, densely caespitose, silvery white or pale green,, 

 innovations usually under 5 mm. Leavesi erect, imbricate, 

 shining, broadly oblong, subacute toi acute, base green^ 

 colourless and transparent above ; margin plain ; nerve 

 vanishing about the middle, 1-4 mm., cells very large, 

 rhomboid- Seta slender, 1-2 cm. Capsule pendulous or 

 inclined, brown, oblong, 1 mm. ; mouth rather broad, base 

 shortly tapering ; lid pyramidal. 



Common on damp rocks, roadsides, roofs, etc. 



Bryum dichotomiim Hedw. 

 Syu.: B. -pachytheca CM. 



Small, caespitose, the innovations under favourable cir- 

 cumstances occasionally elongating to 1 cm. Leaves dis- 

 persed, lanceolate, acute, 1.5 mm., with a border of 2-8 

 series of linear-rectangular cells, serrulate ; nerve bold, 

 shortly excurrent; cells linear-rhomboid, incrassate, un- 

 equal, mostly 40-60 x 12/^. Capsule dark red, broadly 

 oblong, 2-3 mm., momth slightly constricted, the apophysis 

 dark, swollen, rugose with a very obtuse base ; lid broad 

 hemispheric, umbonate, shining. 



Slopes of Mt. Wellington, Bruni Island, Huon, George 

 Town, etc. 



Brymn cnpylcUum CM. 



Small, caespitose, in dry places stunted, in protected 

 localities the innovations slender, often 1-5 cm. Leaves 

 dispersed, ovate-lanceolate or ovate-acuminate, the base 

 narrowing, 1.3 mm. ; margin plain, not revolute, sometimes 

 obscurely subserrulate, not bordered, but 1-2 series of cells 



