BY L. EODAVAY. Ill 



contracted. Underleaves similar to the leaves, rarely much 

 smaller. Perianth terminal, fleshy, oblong-fusifoiTn ; foot 

 of the sporophyte deeply sunk in the expanded shoot. 



1. Leaves squarrose ? 2 



Leaves erect or decurvecl 5 



2. , Leaves crowded base stem clasping 3 



Leaves free base narrow 4 



3. Leaves 1-1.5 mm. long inflexa 



Leaves 2.5-3 mm. long grandis 



4. Leaves 2 mm. Underleaves similar... fju7iniana 

 Leaves 0.6 mm. Underleaves minute ... jnisilla 



5. Underleaves armed with acute 



teeth inforti folia 



Underleaves bifid or tiifid unarmed 6 



6. Leaves minute remote aftenuatus 



Leaves crowded decurved ^uhfrifida 



Leaves large black erect crowded riparia 



IsotacJiis f/ linn /ana, Miff. — Stems often 4 cm. long, 

 reddish-brown or green. Leaves squarrose. ovate-rotund, 2 

 mm. long, apex shortly to l-3rd bilobed, sinus obtuse, lobes 

 broadly triangular, acute or obtuse, margins entire or 

 sometimes the ventral with one or two small teeth ; upper 

 cells rectangular 21 /v.., lower ones 21 x 60 ^., cuticle 

 asperate. Underleaves nearly as long as leaves, oblong; 

 sometimes only half as large and h bifid. 



Mt. Wellington. Mt. Field. Adamson Peak, Etc. 



Ixotdchi-^ infleia, Gaff. — Stems about 4 cm. long, 

 yellowish green often the apex reddish. Leaves imbricate 

 tc recurved from an appressed base, subrotund to broadly 

 rectangular, 1-1.8 mm., apex shortly to l-3rd bilobed, lobes 

 equal, broadly triangular acute, margin usually acutely 

 bidentate, sometimes entire; upper cells 21 //.., lower 21 x 

 60 /^., cuticle asperate to papillate above, striolate below. 

 Underleaves similar to the leaves. 



Very close to /. (/unniana. distinct chiefly by smaller 

 crowded leaves. 



Longley. 



Australia. 



Imfachix grandis, C. ct P. — Robust, usually 

 7-10 cm. long, green or reddish. Leaves closely imbricate 

 recurved, broadly ovate-rotund, 2.4 mm., l-3rd bifid, lobes 

 acute, sinus acute, margins armed with spinous teeth to 

 entire; upper cells 21-35 h--, asperate, lower 21-54 ^. 

 striolate. Underleaves similar to the leaves, sometimes 

 rather smaller, usuallv less armed. Perianth cvlindric, 6 



