BY L. nODWAY. 113 



larger. Perianth terminal, 1 mm. long, ovate strongly 

 triquetrous, keels obtuse, mouth obtuse, shortly fimbriate. 

 Mt. Wellington Plateau. 



Isotachis rijJario, Rod. — Robust, almost black, stems 

 5-8 cm. Leaves erect closely imbricate broadly ovate to 

 almost rotund, 3 mm. long, apex shortly bifid, lobes short 

 broad subacute, margin entire or with 1-2 small teeth; 

 upper cells 27 ,x., walls thick, lower cells 40 x 18 /a., walls 

 thin, cuticle smooth ; underleaves to 3 mm. long, 2 mm. 

 broad oblong, apex shortly bifid, margin entire or araied 

 with about 3 small teeth. 



Quite dissimilar to any other Tasmanian species. It 

 if: near /. gifjanted of New Zealand. 



Cradle Mt. 



Lepidozia, Dum. 



Plants from small to medium size, pinnate or bipin- 

 nate, the branches lateral frequently with flagellate tips. 

 Leaves incubous obliquely to subtransversely inserted, 

 small, mostly quadrifid, rarely with fewer or more divi- 

 sions, which extend usually to the middle, sometimes less 

 deep, rarely to the base ; underleaves similar to the leaves 

 but often much smaller. Perianth terminating a short 

 branch low down the stem, cylindric or fusiform, mouth 

 entire or more or less fimbriate. 



Section ^ymmetricae. — Leaves symmetric. 



1. Leaves 2-lobed ta^manica 



Leaves 3-lobed 2 



Leaves 4-lobed 4 



Leaves many lobed mooreana 



2. Leaves divided to middle • vastiloha 



Leaves divided to base 3 



3. Leaflobes setaceous longiscyijha 



Leaflobes moniliform chaetophyUa 



4. Leaflobes lanceolate generally in- 



curved 4 to many celled at the base 5 



Leaflobes setaceous divergent generally 



2-celled at base 8 



5. Leaves subvertical. lobes widely 



divergent praenitem^ 



Leaves subtransverse, lobes incurved 6 



6. Ceils of lobes not larger than those 



of disk cuculli folia 



Cells of lobes lonwr than those of disk ... 7 



