186 TASMANIAN BIIYOPIIYTA, 



R.S. TAS. 



Bryum crassum H.f. et W. 



Small, but in damp localities the innovations elongating. 

 Leaves of firm texture, erect, imbricate, 1.5 mm., broadly 

 to narrowly ovate, nearly obtuse; margin Cjuite unborclered, 

 plain or minutely subseniilatei ; nerve bold, very shortly 

 excurrent; cells oblong-rhomboid, incrassate, averaging 

 30 X 10/x. Seta 1.5 cm.; capsule pyriform, 2 mm., neck 

 shortly tapering, mouth slightly constricted, lid large 

 hemispheric, umbonate. 



Slopes of Mt. Wellington. 



Bryum pyrothecium Hpe. et CM. 



Stem short with short innovations. Leaves erect, clus- 

 tered at the tip, ovate, gradually acuminate above, 1.5 

 mm. ; margin with a very narrow thickened border, re volute 

 below, serrulate above; nei-ve excurrent in a slender cus- 

 pidate point up to J length of lamina; cells irregularly 

 rhomboid, thin walled, averaging 60 x 17^". Seta long, 

 red; capsule clavate-pyriform, deep red, 3 mm-, base 

 shortly tapering, mouth little constricted ; lid hemispheric, 

 umbonate. 



Very close to B. capillar e. 



Mt. 'Wellington. 



Brywn cajnllare L. 



Rather small, densely caespitose, stems usually undeir 5 

 mm. Leaves mostly in a terminal cluster, broadly ovate, 

 oblong or subspathulate, acuminate, 1.5 mm.; margin with 

 a narrow yellow border of very long, linear incrassate cells, 

 serrulate above ; nerv^e narrow yellow, merging above into 

 the border and forming a long, slender, cuspidate, hair 

 point; cells rhomboid, thin walled, averaging 60 x 18;u. 

 Seta long, capsule clavate, 3 mm., neck gradually tapering, 

 mouth not constricted, lid broad, pvramidal. acute. 



Mt. Nelson. 



Bryuin intermedium B ridel. 

 E-ather small, closely caespitose, stemsi seldom exceeding 

 5 mm., densely radiculose below, the leaves usually in a 

 globose terminal tuft, but more dispersed when growing 

 in moist situations. Leaves from broadly to narrowly 

 ovate, but always gradually tapering above into an acumi- 

 nate apex, alx)ut 2 mm. ; margin revolute with a narrow 

 border of incrassate linear cells, otherwise plain ; nerve 

 broad, red, rather long excurrent in a slender, cuspidate, 

 point; cells irregularly rhomboid, averaging 60 x 17i". Seta 



