84 TASMANIAN BRYOPHYTA, 



Forma ((ttenudta. — Elongated to 6 cm. amongst moss; 

 leaves 0.5 mm., cells 15-20 /x., trigones very small concave; 

 ciiticle intensely papillose. 



Mt. Wellington. 



Arrohoi'hifs ii iif/u iriih/fic^ {Tayl.), Mift. — Closely creep- 

 ing on ground, pallid green, often to 4 cm. Leaves re- 

 niforni, symmetric, ventral base rotund, dorsal nearly 

 derurrent, to l-3rd emarginate-bilobed, deeply spinulose 

 with 8-10 large teeth; underleaves present very small; 

 cells 26 [X., lower ones much larger, trigones large sub- 

 nodulose. Marsupium cylindric. 



Huon Kiver. 



Australia. New Caledonia. New Zealand. 



Symphyomitra, Spruce. 



Decumbent, simple or with innovations from the 

 upper leaf axils. Leaves succubous, alternate entire-; 

 underleaves none. Sporophyte terminal in a descending 

 cylindric marsupium. 



Syiupliyomitra drummondi (Mitt.), St. — Closely decum- 

 bent on til© ground, stems simple, mostly under 1 cm., 

 flagella arising from the ventral surface. Leaves distichous), 

 convex, broadly ovate-triangular from a very broad base 

 0.7-2 mm. long; cells 32 ^., cuticle smooth. Marsupium 

 very long. 



Very common on ground. 



Australia. New Zealand. 



ForiiKi j)(i pillosa . — Cuticle covered with very short 

 obtuse dome-like papillae. Every condition between this 

 and the smooth cuticle of the type occurs on damp heaths. 



Syni idiyoiiiifra concinna (Mitt.), St. — Yellow^ rigid, 

 prostrate, bearing radicles on the ventral surface. Leaves 

 reniform concave imbricate rigid and brittle, margin 

 hyaline, 1.5 mm., both bases abruptly inserted rotund; 

 cells 18-24 ^., trigones large convex to huge and confluent, 

 cuticle asperate or sometimes smooth. 



Recherche. Mt. Hartz. 



Campbell Islands. 



Tyi.imanthus, Mitten. 



Stems simple or with few^ branches, erect or decum- 

 bent from a creeping rhizome. Leaves succubous, obliquely 

 inserted, distichous, remote, apex tinincate to shortly and 

 unequally bilobed, otherwise entire or irregularly dentate; 

 cells rather large, thickened at the angles, cuticle generally 



