BY L. EODWAY. 127 



DiPLOPHYLLUM, DuM. 



Stems suberect to decumbent from a creeping rhizome. 

 X.eaves bilobed, complicate, keeled, dorsal lobe smaller than 

 the ventral and flattened upon it, rarely both equal j 

 iniderleaves none. Perianth terminal oblong, iri'egularly 

 IDlicate, mouth rather contracted fimbriate. 



Lobes unequal, nude domcsticiiin 



Lobes equal, ciliate densi folium 



Di piopliyUuni domesticum (G.), St. — Stems thick fleshy 

 Vvith rhizoids on the ventral surface. Leaves piano-dis- 

 tichous slightly ascending, oblong falcate obtuse, 0.8-1 

 mm. long, margin serrulate, doi^sal lobe half as large closely 

 aiopressed, the junction curved not winged, cells 12 ^u., 

 walls thick, basals much larger, cuticle loosely veiTucose. 

 Bracts similar to the leaves only larger ; perianth 3 mm. 

 long, apex colourless. 



Mt. Wellington. Adamson Peak. Western Tiers, 

 etc. 



East Australia. 



DipIophyJIum dcnsifuliiun (Hool\), St., D. vertihralis 

 (Tai/L), St. — Decumbent simple, oft-en 5-6 cm. long, red- 

 dish green. Leaves piano-distichous, closely imbricate, 

 sheathing base, bilobed very low down, lobes ec[ual oblong, 

 apex bifid, 2.5 mm. long, margin ciliate; cells 22 ^., tri- 

 gones small convex, cuticle papillate. 



Mt. Wellington. Adamson Peak. Cradle Mt., etc. 



Auckland Is. Fuegia. 



Form, decurvuiit. — Leaves decurved ; apex of each 

 lobe very shortly or not at all bifid; cells 27 x 9 ^., 

 Avails very thick continuous. 



West Coast. 



Balaxtiopsis, Mitten. 



Closely decumbent. Leaves succubous, piano-dis- 

 tichous, deeply bilobed, dorsal lobe the smaller and 

 closely appressed to the ventral, lobes rotund and always 

 armed on the margin; underleaves closely appressed with 

 a deeply sinuate insertion and a bi- or quadrifid apex, 

 always armed. Sporophyte in a large descending apical 

 marsupium. 



Balantiopsis diplophyUa (Taj/L), Miff. — Green or 

 reddish, usually in dense decumbent masses. Leaves 

 crowded, imbricate, ventral lobe ovate rotund asymme- 

 tric, 1.5 mm., nearly vertically inserted, armed with few 



