159 



tis, nervö tenuiore; setä 1 cm. älta, flexuosula, tenuis, pal- 

 lidc rubra, apice lutea; theca erecta, minuta, asymmetrica, 

 oblonga, castanea, nitidula; annulus angustus, persistens; 

 peristomium simplex: tubus 0,075 mm. altus, sordide hyali- 

 nus, dense papillosus; dentes aurantiaci, papillosi, semel con- 

 t.orti; operculum rostratum, rostro curvatulo, theca breviore, 

 obtuso. 



Patria. Victoria, ad Loutit Bay a. Luehmann lecta^ 

 benigne com. Sir F. von Mueller. 



69. Pottia tasmanica Broth. 



Autoica; gregaria, perpusilla, fusco-viridis; eaulis vix 

 1 mm. altus, intima basi radiculosus, dense foliosus, simplex; 

 folia sicca imbricata, indistincte spiraliter torta, humida 

 erecta, stricta, carnosula, concava, ovato-oblonga vel ob- 

 longa, breviter acuminata vel obtusa, mutica vel nervö 

 excedente brevissime cuspidata, usque ad 0,9 5 mm. longa 

 et 0,3 8 mm. lata, marginibus, basi excepta, valde revolutis, 

 nervö rufescente, basi tenui, superne crassiore, melius evo- 

 luto, breviter excedente, cellulis basilaribus rectangularibus, 

 hyalinis, laevibus, superioribus rotundato-hexagonis, c. 0,oi5 

 mm. diam., chlorophyllosis, valde papillosis, obscuris; brac- 

 teae perichaetii foliis similes; seta 3 mm. älta, lutea, tenuis- 

 sima, laevissima; theca erecta, minuta, oblonga, fusca, 

 sicca nitidiuscula, corrugatula; annulus 0; peristomhim sim- 

 plex, pallidum, rudimentarium, dentibus brevissimis, 0,0 5 — 

 0,0 7 mm. altis, truncatis, densissime papillosis; spori 0,0 2 5 

 mm., lutescentibus, grosse pustulosis; operculum breviter co- 

 nicum, obtusum; calyptra apice fusca, scabra. 



Patria. Tasmania, River Jordan prope Brighton, ad 

 terram (W. A. Weymodth n. 1129). 



Species inter P. muticam Vent. et P. Starkeanam 

 (Hedw.) C.-Mull. locum medium tenens. Ab hac foliis mu- 

 ticis vel brevissime cuspidatis et peristomio breviore, ab 

 illa, quacum foliorum structura convenit, peristomio melius 

 evoluto nec non sporis grosse pustulosis recedit. 



