112 TASMANIAN BRYOPHYTA, 



mm. long, mouth shortly 3 lobcd, lobes narrow acute fim- 

 briate. Close to /. gunniana only more robust, leaves 

 imbricate and generally acutely armed. 



Mt. Wellington. Western Tiers. 



Victoria. 



Isofar/n's iiiforfi folia {Tayl.), (.rott. — Robust, stenis to 10 

 cm., yellow. Leaves closely imbricate decurved towards 

 the ventral aspect, asymmetric, the dorsal margin broader 

 than the ventral, broadly ovate 2.5-3 mm. long, apex 

 shortly bi-trilobed, lobes broadly triangular acute, margin 

 with few small teeth or entire ; upper cells asperate or 

 papillate rotund 20 jx., lower striate very long. Under- 

 leaves nearly as long as the leaves, broadly oblong \ 

 bilobed, lobes acute, margin armed with few acute teeth. 

 Perianth narrow ovate 4 mm., tapering to a slender mouth. 



Mt. Wellington. Mt. Hartz. Blue Tier, Etc. 



Australia. Campbell Islands. 



Isoforliis .siihtrifidd (TayL), Mitt. — Small, 2-4 cm., 

 livid green. Leaves remote below, more imbricate above, 

 decurved towards the ventral aspect, oblong slightly 

 asymmetric, 1.4 mm., l-3rd-i- bilobed, rarely trilobed, 

 lobes triangular acute, sinus acute, margin entire seldom 

 v^ith few rudimentary teeth ; upper and marginal cells 25 

 yM., minutely asperate, central basal ones longer striolate. 

 Underleaves oblong, 2-3rd as long as leaves. In some 

 robust forms the leaves are longer and looser, more often 

 trifid, and the underleaves as long as the leaves. Perianth 

 broadly oblong, 4 mm., but little exceeding the bracts, 

 mouth deeply fimbriate. 



Mt. Wellington. 



IsofarJii.s jjNsilla, St. — Very small, under 1 cm. long, 

 pale green. Leaves squarrose, subrotund 0.6 mm. long, 

 l-3rd-^, bifid, lobe? oblong, obtuse or acute, margin plain 

 to armed with many obtuse or acute teeth ; cells mostly 20 

 fji., cuticle smooth. Underleaves small, hardly broaaer 

 than the stem, margin many dentate, ]-3rd bifid, lobes 

 acute. 



Long ley. 



I.sotarJiis affemiat^is;. Pod. — Stems 1-2 cm. long, very 

 slender, growing amongst moss in wet situations. Leaves 

 rather remote erecto patent narrow oblong from a narrow 

 base, dark brown, I bifid, lobes lanceolate acute, 0.5 mm. ; 

 outer cells 18 ^., inner ones 18 x 24 ^., walls thick ; under- 

 leaves similar. Bract? manv, similar to the leaves but 



