108 TASMANIAN BRYOPHYTA, 



tx) nearly transverse, bilobed. Underleaves none or nidi- 

 mentary except in the region of reproductive organs. 

 Finiit terminal or on short lateral branches, bracts large, 

 bracteole free or united to the bracts ; perianth tapering 

 to a constricted dentate mouth, trigonous, the third angle 

 ventral. 



Leaf margin entire or nearlv so. 

 Underleaves absent. 



Pale green leaves appressed hastovii 



Livid green leaves spreading Icvieri 



Black, long wiry (lie^-r'nna 



Underleaves present small. 



Leaves red remote spreading erili flora 



Leaves brown erect imbricate prcix.^iana 



Maroin dentate. 



Marginal teeth few simple rerrurosn 



Marginal teeth many acute squdrro^iihi 



Marginal teeth compound 7/ irfa 



Cephalozia hastovii, C. et P. — Pale gla.ucous green, 

 usually with many lateral as weill as ventral branches, 

 sometimes simple, about 1 cm. long, rather bare below, 

 copiously leaved above. Leaves appressed rather imbri- 

 cate, ovate stem clasping below, apex l-3rd bifid, lobes 

 broad below, acute, sinus acute, 0.4 mm. long; cells vari- 

 able in size, mostly 12-15 /^., walls thick. Underleaves 

 none. 



Mt. Wellington Plateau. 



Ceiilialozia eriliflora (Tai/I.), Spr. — Dark red-brown 

 in dense mats, usually on burnt wood, stems about 5 mm., 

 simple or branched. Leaves remote, patent, transverse, 

 broadly oblong 0.3 mm., 2-3rd bifid, sinus ver}^ broad, 

 lobes acute; cells 12 fx., walls thick. Underleaves minute 

 entire or bifid. Perianth terminal oblong, 3-5 plicate, 1 

 mm. long, dark red below, hyaline above, mouth crenulate. 



Very common. 



Australia. New Zealand. 



('e]thoJ()zia preissiana (Lehiii.), St. — Very small, brown, 

 amongst small plants on logs. Leaves suberect, imbricate, 

 0.1-0.2 mm. long, broadly oblong bifid to the middle, sinus 

 rather acute, lobes very broad, apex acute; cells 10 yu.; 

 underleaves similar to the leaves onlv smaller. 



On wood. West Coast. Trowutta. 



C'cpltalozia Icvieri, St. — Small, the shoots seldom ex 

 ceeding 5 mm., usually simple pale livid green. Leaves 

 spreading obcuneate conduplicate transverse, 0.2 mm., 



